Cartesia Sonic Team Blog Research Playground

Cartesia Sonic Team Blog Research Playground is an AI application that offers real-time multimodal intelligence for every device. The application aims to build the next generation of AI by providing ubiquitous, interactive intelligence that can run on any device. It features the fastest, ultra-realistic generative voice API and is backed by research on simple linear attention language models and state-space models. The founding team, who met at the Stanford AI Lab, has invented State Space Models (SSMs) and scaled it up to achieve state-of-the-art results in various modalities such as text, audio, video, images, and time-series data.

ONNX Runtime is a production-grade AI engine designed to accelerate machine learning training and inferencing in various technology stacks. It supports multiple languages and platforms, optimizing performance for CPU, GPU, and NPU hardware. ONNX Runtime powers AI in Microsoft products and is widely used in cloud, edge, web, and mobile applications. It also enables large model training and on-device training, offering state-of-the-art models for tasks like image synthesis and text generation.

Cerebras is an AI tool that offers products and services related to AI supercomputers, cloud system processors, and applications for various industries. It provides high-performance computing solutions, including large language models, and caters to sectors such as health, energy, government, scientific computing, and financial services. Cerebras specializes in AI model services, offering state-of-the-art models and training services for tasks like multi-lingual chatbots and DNA sequence prediction. The platform also features the Cerebras Model Zoo, an open-source repository of AI models for developers and researchers.

GPT-4o is a state-of-the-art AI model developed by OpenAI, capable of processing and generating text, audio, and image outputs. It offers enhanced emotion recognition, real-time interaction, multimodal capabilities, improved accessibility, and advanced language capabilities. GPT-4o provides cost-effective and efficient AI solutions with superior vision and audio understanding. It aims to revolutionize human-computer interaction and empower users worldwide with cutting-edge AI technology.

Konch AI is an automated AI transcription service that offers unparalleled precision and efficiency in converting audio and video files to text. It features a state-of-the-art AI technology that swiftly transcribes content, with the option to review and edit the transcripts. Users can also upgrade to Precision for human-reviewed transcripts. KonchMate, the AI meeting assistant, streamlines meeting documentation by capturing, transcribing, editing, and sharing meeting content. The platform supports multiple languages, advanced editing features, and flexible output formats, making it a comprehensive solution for transcription needs.

Satlas is an AI-powered platform that provides geospatial data generated by AI models. The platform offers insights into changes in marine infrastructure, renewable energy infrastructure, and tree cover on a monthly basis. Users can explore maps showcasing developments such as wind farms, solar farms, deforestation, and more. Satlas employs advanced AI architectures and training algorithms in computer vision to enhance low-resolution satellite imagery and produce high-resolution images globally. The platform's geospatial datasets are freely available for offline analysis, along with AI models and training labels. Developed by the Allen Institute for AI, Satlas aims to advance computer vision technology for better understanding and monitoring of Earth's changes.

The pyannote AI Speaker Intelligence Platform is an advanced AI tool designed for developers to detect, segment, label, and separate speakers in any language. It offers state-of-the-art speaker diarization models that accurately identify speakers in audio recordings, providing valuable insights and improving productivity. With optimized AI models, the platform saves time, effort, and money by delivering top-tier performance. The tool is language agnostic and offers advanced features such as speaker partitioning, identification, overlapping speech detection, voice activity detection, speaker separation, and confidence scoring.

Vectorize is a fast, accurate, and production-ready AI tool that helps users turn unstructured data into optimized vector search indexes. It leverages Large Language Models (LLMs) to create copilots and enhance customer experiences by extracting natural language from various sources. With built-in support for top AI platforms and a variety of embedding models and chunking strategies, Vectorize enables users to deploy real-time vector pipelines for accurate search results. The tool also offers out-of-the-box connectors to popular knowledge repositories and collaboration platforms, making it easy to transform knowledge into AI-generated content.

Docsumo is an advanced Document AI platform designed for scalability and efficiency. It offers a wide range of capabilities such as pre-processing documents, extracting data, reviewing and analyzing documents. The platform provides features like document classification, touchless processing, ready-to-use AI models, auto-split functionality, and smart table extraction. Docsumo is a leader in intelligent document processing and is trusted by various industries for its accurate data extraction capabilities. The platform enables enterprises to digitize their document processing workflows, reduce manual efforts, and maximize data accuracy through its AI-powered solutions.

WikeAI is an all-in-one AI platform that offers top models like GPT4, Claude3, Mistral, and Llama3. It provides advanced AI capabilities such as conversation simulation, content generation, and more. Users can experience professional-level cross-model integration and benefit from AI-powered content writing, social media ads creation, and product description generation. WikeAI simplifies the use of AI technology with a one-time payment model, making it accessible and cost-effective. The platform supports various AI models and offers fast content generation, unique and original content, and commercial use rights.

OneSky Localization Agent (OLA) is an AI-powered platform designed to streamline the localization process for mobile apps, games, websites, and software products. OLA leverages multiple Large Language Models (LLMs) and a collaborative translation approach by a team of AI agents to deliver high-quality, accurate translations. It offers post-editing solutions, real-time progress tracking, and seamless integration into development workflows. With a focus on precision-engineered AI translations and human touch, OLA aims to provide a smarter way for global growth through efficient localization.

Nuanced is an AI tool that detects AI-generated images to protect the integrity and authenticity of online services. It helps platforms combat fraud, deepfakes, and inauthentic content by distinguishing between genuine human-authored artifacts and AI-generated content. Nuanced's algorithms stay ahead of the accelerating changes in AI content generation, providing a privacy-first solution that is simple to adopt and integrate. With Nuanced, businesses can focus on their core operations while ensuring the authenticity of their content.

Luxonis is an AI application that offers Visual AI solutions engineered for precision edge inference. The application provides stereo depth cameras with unique features and quality, enabling users to perform advanced vision tasks on-device, reducing latency and bandwidth demands. With open-source DepthAI API, users can create and deploy custom vision solutions that scale with their needs. Luxonis also offers real-world training data for self-improving vision intelligence and operates flawlessly through vibrations, temperature shifts, and extended use. The application integrates advanced sensing capabilities with up to 48MP cameras, wide field of view, IMUs, microphones, ToF, thermal, IR illumination, and active stereo for unparalleled perception.

Strong Analytics is a data science consulting and machine learning engineering company that specializes in building bespoke data science, machine learning, and artificial intelligence solutions for various industries. They offer end-to-end services to design, engineer, and deploy custom AI products and solutions, leveraging a team of full-stack data scientists and engineers with cross-industry experience. Strong Analytics is known for its expertise in accelerating innovation, deploying state-of-the-art techniques, and empowering enterprises to unlock the transformative value of AI.

Nesa is a global blockchain network that brings AI on-chain, allowing applications and protocols to seamlessly integrate with AI. It offers secure execution for critical inference, a private AI network, and a global AI model repository. Nesa supports various AI models for tasks like text classification, content summarization, image generation, language translation, and more. The platform is backed by a team with extensive experience in AI and deep learning, with numerous awards and recognitions in the field.

AquilaX is an AI-powered DevSecOps platform that simplifies security and accelerates development processes. It offers a comprehensive suite of security scanning tools, including secret identification, PII scanning, SAST, container scanning, and more. AquilaX is designed to integrate seamlessly into the development workflow, providing fast and accurate results by leveraging AI models trained on extensive datasets. The platform prioritizes developer experience by eliminating noise and false positives, making it a go-to choice for modern Secure-SDLC teams worldwide.

Rationale is a cutting-edge decision-making AI tool that leverages the power of the latest GPT technology and in-context learning. It is designed to assist users in making informed decisions by providing valuable insights and recommendations based on data analysis and machine learning algorithms.

Luminal is a powerful AI copilot that enables users to clean, transform, and analyze spreadsheets 10x faster. It offers fast and efficient data analysis capabilities, allowing users to perform editing operations, answer complex questions, and run AI-enabled operations using natural language. Luminal simplifies data processing tasks, saving users time and effort. The application supports multiple languages, ensures secure data hosting with encryption, and offers flexible pricing plans to cater to different user needs.

TubeBuddy is an AI-powered YouTube channel growth tool that offers a suite of AI, SEO, bulk processing, and workflow tools to support creators at every stage of their journey. From optimizing thumbnails, titles, descriptions, and tags to simplifying YouTube tasks, TubeBuddy helps creators succeed by providing insights, analytics, and optimization features to enhance their channel performance and audience engagement.

RevMakeAI is an AI-powered Review Generator that helps users create reviews for various categories such as restaurants, locations, and movies. The tool uses artificial intelligence to generate high-quality reviews quickly and efficiently. Users can support the project by upvoting, sharing feedback, and contributing. RevMakeAI is designed and developed by James Dev.

Frequently by Ecomtent is an AI-powered platform designed to provide fast, accurate, and comprehensive answers to questions related to selling on various ecommerce platforms like Amazon and Ebay. It offers features such as generating AI product images, infographics, and optimized content. The platform is built with over 100 proprietary SOPs and documents containing expert knowledge and experiences from experienced sellers and former Amazon employees. Users can benefit from ongoing updates and enhancements to improve their business outcomes.

Chapters AI is an AI-powered writing application that enables users to write best-selling stories 5x faster. It offers a perfect balance of freedom and AI, replacing other AI writing tools like NovelAI and NovelCrafter. With features such as insights from reader data, a beautiful user interface, proven success in writing bestsellers, and a vibrant community of over 600 Discord users, Chapters AI is a comprehensive writing solution. Users can get started with a free trial and then opt for an affordable yearly subscription. The application aims to revolutionize the writing process by leveraging AI technology to enhance creativity and productivity.

StoryFile is an AI application that pioneers Conversational Video AI, offering an interactive medium called a storyfile. The platform focuses on making authentic AI to enable users to have engaging conversations. StoryFile's technology utilizes AI principles and ethics to provide businesses with solutions through artificial intelligence. The application aims to revolutionize the way people interact with AI technology, emphasizing the importance of authenticity and meaningful conversations.

Data Zenith is a Kolkata-based startup specializing in innovative data analytics solutions. They offer tailored analytics services to help businesses unlock the potential of their data, streamline operations, and make informed decisions for sustainable growth. With a team of experienced data scientists, Data Zenith provides comprehensive data analysis, predictive analytics, and data visualization services to drive actionable insights and enhance operational efficiency.

Baseboard is an AI tool designed to help users generate insights from their data quickly and efficiently. With Baseboard, users can create visually appealing charts and visualizations for their websites or publications with the assistance of an AI-powered designer. The tool aims to streamline the data visualization process and provide users with valuable insights to make informed decisions.

Gestualy is an AI application that measures and improves customer satisfaction and mood quickly and easily through gestures. It eliminates the need for cumbersome satisfaction surveys by allowing interactions with customers or guests through gestures. The application uses artificial intelligence to make intelligent decisions in businesses and guarantees an increase in participation rates compared to traditional services. Gestualy generates valuable statistical reports for businesses, including satisfaction levels, gender, mood, and age, all while ensuring data protection and privacy compliance. It offers touchless interaction, immediate feedback, anonymized reports, and a range of services such as gesture recognition, facial analysis, gamification, and alert systems.

Aitodata.com is an AI-powered data analysis platform that empowers users to extract valuable insights from their data effortlessly. The platform offers a user-friendly interface and advanced algorithms to help users analyze, visualize, and interpret data in a meaningful way. With Aitodata.com, users can streamline their data analysis process, make data-driven decisions, and uncover hidden patterns and trends within their datasets.

ChainFuse is an AI-powered customer analytics tool designed for support-focused teams. It helps businesses track trends, receive critical alerts, and gain weekly insights to minimize churn and enhance user satisfaction. By unifying siloed customer data and connecting various communication channels, ChainFuse provides real-time insights and alerts to help businesses make informed decisions and improve customer experience.

Phantom: Lofi Tutor is an AI-powered application designed to assist users in generating customized news articles and video scripts quickly and efficiently. It utilizes cutting-edge technology to analyze real-time data and provide insightful perspectives on various topics. The application is user-friendly, free of ads, and ensures privacy by not collecting user data. With Phantom: Lofi Tutor, users can stay ahead of the game by creating engaging content for their audience.

DataWise is an AI application that empowers businesses with artificial intelligence solutions. Founded in 2024, DataWise offers smart, scalable, and intuitive AI-driven features to drive growth and efficiency. With a team of expert data scientists and engineers, DataWise provides custom AI solutions tailored to unique business challenges. The platform includes advanced data analytics, operations automation, NLP for language processing, and custom AI model development.

Isomeric is an AI tool that uses artificial intelligence to semantically understand unstructured text and extract specific data. It transforms messy text into machine-readable JSON, enabling users to scale their data gathering pipeline in seconds. From web scraping to browser extensions to general information extraction, Isomeric offers a solution to bring order to chaos and make unstructured data structured and usable.

Susterra is an advanced analytics platform for Public Finance that empowers stakeholders with powerful insights to catalyze urban development. It integrates leading practices from academia, leverages public data growth, and utilizes technology innovations like ML and AI to enable issuers to make suitable choices for accelerating the development of Smart Cities across the United States.

Wizu is an AI-powered platform that offers conversational surveys to enhance customer feedback. It helps businesses collect meaningful feedback, analyze AI-powered insights, and take clear actions based on the data. The platform utilizes AI technology to drive engagement, deliver better response rates, and provide richer insights for businesses to make data-driven decisions.

CEBRA is a machine-learning method that compresses time series data to reveal hidden structures in the variability of the data. It excels in analyzing behavioral and neural data simultaneously, allowing for the decoding of activity from the visual cortex of the mouse brain to reconstruct viewed videos. CEBRA is a novel encoding method that leverages both behavioral and neural data to produce consistent and high-performance latent spaces, enabling the mapping of space, uncovering complex kinematic features, and providing rapid, high-accuracy decoding of natural movies from the visual cortex.

Socialvar Ltd is a leading marketing platform offering a full-stack social media solution, email and SMS marketing services, and WhatsApp automation. It helps businesses drive sales and engage with customers through automated marketing strategies. The platform simplifies social media management, content scheduling, and data analysis, making it suitable for businesses of all sizes. With features like bulk email sending, list segmentation, and real-time analytics, Socialvar enhances brand reach and customer relationships. The platform also provides WhatsApp chatbot marketing powered by artificial intelligence and machine learning, enabling businesses to solve customer queries efficiently. Socialvar is a reliable solution for businesses seeking to streamline their marketing efforts and boost online presence.

CyberRiskAI.com is a website that is currently under development and is registered at Dynadot.com. The website is expected to offer services related to cyber risk management and artificial intelligence in the future. With a focus on cybersecurity and risk assessment, CyberRiskAI.com aims to provide innovative solutions to help businesses mitigate cyber threats and protect their digital assets. The platform is designed to leverage AI technologies to analyze and predict cyber risks, enabling users to make informed decisions to enhance their security posture.

Lime is an AI-powered data research assistant that helps users in conducting data research efficiently. It offers a range of features to streamline the research process, making it easier for users to gather and analyze data. Lime is designed to assist individuals and businesses in making informed decisions based on data-driven insights.

AI SEO Page is an AI-powered website that focuses on the intersection of artificial intelligence (AI) and search engine optimization (SEO). The platform offers insights, strategies, and tools to enhance SEO performance through AI technologies. It covers topics such as AI content creation, link building, analytics, user experience, and local SEO. Users can learn about the latest trends in AI and SEO, as well as technical and semantic SEO practices. Additionally, the site provides guidance on utilizing AI for various tasks, such as translation, image transformation, object removal, and stock market analysis.

Assets Scout is a website that provides users with valuable information and resources related to asset management. The platform offers a wide range of tools and features to help individuals and businesses effectively track, monitor, and manage their assets. Users can access real-time data, analytics, and insights to make informed decisions and optimize their asset performance. With a user-friendly interface and intuitive design, Assets Scout aims to simplify the asset management process and enhance productivity.

Vibe - Fitness Gaming is a platform developed by Vi Inc, a Delaware C Corporation operating in California, dedicated to providing a unique fitness experience through gaming. The platform collects various types of information such as session length, phone type, rotation, and song information to enhance user experience and optimize the platform. Vibe prioritizes user privacy and data security, implementing measures to protect user information from unauthorized access. Users have rights to access, correct, and request deletion of their personal data. The platform's Privacy Policy outlines the collection, usage, and safeguarding of user information.

LLM Price Check is an AI tool designed to compare and calculate the latest prices for Large Language Models (LLM) APIs from leading providers such as OpenAI, Anthropic, Google, and more. Users can use the streamlined tool to optimize their AI budget efficiently by comparing pricing, sorting by various parameters, and searching for specific models. The tool provides a comprehensive overview of pricing information to help users make informed decisions when selecting an LLM API provider.

Radical Ventures is an AI-focused website that invests in people using artificial intelligence to shape the future of how we live, work, and play. The platform features founder stories of companies leveraging AI technology, AI research articles, and insights from AI pioneers. It aims to support and promote innovation in the field of artificial intelligence.

TWIML is a platform that provides intelligent content focusing on Machine Learning and Artificial Intelligence technologies. It offers podcasts, articles, and resources to practitioners, innovators, and leaders, giving insights into the present and future of ML & AI. The platform covers a wide range of topics such as deep reinforcement learning, fusion energy production, data-centric AI, responsible AI, and machine learning platform strategies.

Practical Deep Learning for Coders is a free course designed for individuals with some coding experience who want to learn how to apply deep learning and machine learning to practical problems. The course covers topics such as building and training deep learning models for computer vision, natural language processing, tabular analysis, and collaborative filtering problems. It is based on a 5-star rated book and does not require any special hardware or software. The course is led by Jeremy Howard, a renowned expert in machine learning and the President and Chief Scientist of Kaggle.

Imbue is a company focused on building AI systems that can reason and code, with the goal of rekindling the dream of the personal computer by creating practical AI agents that can accomplish larger goals and work safely in the real world. The company emphasizes innovation in AI technology and aims to push the boundaries of what AI can achieve in various fields.

Decrypt is an AI-powered platform that provides news and information on topics such as AI, Bitcoin, culture, gaming, and crypto. The platform offers detailed insights into coin prices, market trends, and top news stories related to the cryptocurrency world. Decrypt combines AI-generated content with human curation to deliver up-to-date and relevant information to its users.

EnterpriseAI is an advanced computing platform that focuses on the intersection of high-performance computing (HPC) and artificial intelligence (AI). The platform provides in-depth coverage of the latest developments, trends, and innovations in the AI-enabled computing landscape. EnterpriseAI offers insights into various sectors such as financial services, government, healthcare, life sciences, energy, manufacturing, retail, and academia. The platform covers a wide range of topics including AI applications, security, data storage, networking, and edge/IoT technologies.

KINOMOTO.MAG is a platform that delves into the fusion of culture and technology, exploring how they influence the art world. The website showcases the latest advancements in AI technology and its impact on artistic expression. Through insightful articles and features, Kinomoto.Mag aims to bridge the gap between traditional art forms and cutting-edge AI innovations.

AI Parabellum is a specialized AI Tools Directory that aims to unite creators, innovators, and AI enthusiasts. It serves as a platform to discover and showcase the most advanced AI tools in the industry. The website provides a comprehensive collection of AI tools across various categories, catering to individuals and businesses looking to leverage artificial intelligence for different purposes.

Labellerr is a data labeling software that helps AI teams prepare high-quality labels 99 times faster for Vision, NLP, and LLM models. The platform offers automated annotation, advanced analytics, and smart QA to process millions of images and thousands of hours of videos in just a few weeks. Labellerr's powerful analytics provides full control over output quality and project management, making it a valuable tool for AI labeling partners.

Papers With Code is an AI tool that provides access to the latest research papers in the field of Machine Learning, along with corresponding code implementations. It offers a platform for researchers and enthusiasts to stay updated on state-of-the-art datasets, methods, and trends in the ML domain. Users can explore a wide range of topics such as language modeling, image generation, virtual try-on, and more through the collection of papers and code available on the website.

Anycores is an AI tool designed to optimize the performance of deep neural networks and reduce the cost of running AI models in the cloud. It offers a platform that provides automated solutions for tuning and inference consultation, optimized networks zoo, and platform for reducing AI model cost. Anycores focuses on faster execution, reducing inference time over 10x times, and footprint reduction during model deployment. It is device agnostic, supporting Nvidia, AMD GPUs, Intel, ARM, AMD CPUs, servers, and edge devices. The tool aims to provide highly optimized, low footprint networks tailored to specific deployment scenarios.

SiliconANGLE is an AI tool that focuses on enterprise and emerging technologies. It provides insights, analysis, and news on various tech topics such as Cloud, AI, Security, Blockchain, Big Data, and more. The platform offers in-depth coverage of industry events, research reports, and exclusive interviews with tech experts.

THE DECODER is an AI tool that provides news, insights, and updates on artificial intelligence across various domains such as business, research, and society. It covers the latest advancements in AI technologies, applications, and their impact on different industries. THE DECODER aims to keep its audience informed about the rapidly evolving field of artificial intelligence.

The Deepfake Detection Challenge Dataset is a project initiated by Facebook AI to accelerate the development of new ways to detect deepfake videos. The dataset consists of over 100,000 videos and was created in collaboration with industry leaders and academic experts. It includes two versions: a preview dataset with 5k videos and a full dataset with 124k videos, each featuring facial modification algorithms. The dataset was used in a Kaggle competition to create better models for detecting manipulated media. The top-performing models achieved high accuracy on the public dataset but faced challenges when tested against the black box dataset, highlighting the importance of generalization in deepfake detection. The project aims to encourage the research community to continue advancing in detecting harmful manipulated media.

CCN is a website providing news, analysis, and guides related to cryptocurrencies, blockchain technology, and AI developments. The platform covers a wide range of topics including crypto investing, exchanges, gambling, technology advancements, and regulatory updates. With a focus on delivering accurate and up-to-date information, CCN aims to educate and inform its audience about the latest trends and developments in the crypto and AI industries.

vLLM is a fast and easy-to-use library for LLM inference and serving. It offers state-of-the-art serving throughput, efficient management of attention key and value memory, continuous batching of incoming requests, fast model execution with CUDA/HIP graph, and various decoding algorithms. The tool is flexible with seamless integration with popular HuggingFace models, high-throughput serving, tensor parallelism support, and streaming outputs. It supports NVIDIA GPUs and AMD GPUs, Prefix caching, and Multi-lora. vLLM is designed to provide fast and efficient LLM serving for everyone.

Toloka AI is a data labeling platform that empowers AI development by combining human insight with machine learning models. It offers adaptive AutoML, human-in-the-loop workflows, large language models, and automated data labeling. The platform supports various AI solutions with human input, such as e-commerce services, content moderation, computer vision, and NLP. Toloka AI aims to accelerate machine learning processes by providing high-quality human-labeled data and leveraging the power of the crowd.

Next AI Jobs is an AI-powered platform that specializes in connecting professionals with job opportunities in the fields of Artificial Intelligence (AI), Machine Learning (ML), Natural Language Processing (NLP), and Data Science. The platform utilizes advanced algorithms to match candidates with relevant job listings, streamlining the recruitment process for both employers and job seekers. Next AI Jobs provides a user-friendly interface where users can create profiles, upload resumes, and apply for jobs with ease. With a focus on the rapidly growing AI industry, Next AI Jobs aims to bridge the gap between talented individuals and top-tier companies seeking AI expertise.

AI Investing Tools is a curated directory of AI tools designed to help users automate their investing process. The platform offers a handpicked collection of AI investing tools that assist in making more money, developing trading strategies, automating investing, rebalancing portfolios, and analyzing markets. It aims to leverage AI technology to enhance trading efficiency, optimize portfolios, and eliminate emotional biases in investment decisions.

Geeky Gadgets is a technology news website that covers the latest updates on Apple, Android, deals, gadgets, technology hardware, gaming, and guides. The site features articles on various AI tools and applications, providing insights and reviews to help professionals navigate the world of artificial intelligence.

AICamp is an AI application that offers live learning events, workshops, meetups, and seminars on various AI-related topics such as machine learning, data processing, generative AI, and more. It provides a platform for developers to share knowledge, practical experiences, and best practices in the field of AI and data science. AICamp aims to connect like-minded individuals globally and facilitate learning and networking opportunities in the AI community.

DMLR (Data-centric Machine Learning Research) is an AI tool that focuses on advancing research in data-centric machine learning. It organizes workshops, research retreats, maintains a journal, and runs a working group to support infrastructure projects. The platform covers topics such as data collection, governance, bias, and drifts, as well as data-centric explainable AI and AI alignment. DMLR encourages submissions around the theme of AI for Science, using AI to tackle scientific challenges and accelerate discoveries.

DeepLearning.AI is an online platform offering a wide range of courses, discussions, and resources related to artificial intelligence. Users can engage in discussions, ask questions, and participate in various AI projects. The platform covers topics such as deep learning, machine learning, natural language processing, and more. DeepLearning.AI aims to provide a comprehensive learning experience for individuals interested in AI technologies.