Quora is a free online knowledge sharing platform where users can ask and answer questions. It is designed to provide users with an effective way to research and gain insights on topics they are interested in. The website covers a wide range of topics, from science and technology to entertainment, lifestyle, history, and much more. It also gives users access to a vibrant community of knowledgeable people from around the world. Quora allows users to search for topics and ask questions to get helpful answers from experts in the fields.