Quora is a question-and-answer website where questions are asked, answered, and edited by Internet users. It covers a wide range of topics, including science, politics, entertainment, and more. Users can ask and answer questions, follow topics and users, and upvote or downvote answers. Quora is a popular resource for finding answers to questions you may have, or for sharing your own knowledge and expertise with others. You can create an account on Quora and start asking and answering questions right away.

Yahoo! Answers is a community-driven question-and-answer website where users can ask and answer questions on a variety of topics. It was launched by Yahoo! in 2005 and was once one of the most popular question-and-answer websites on the Internet. Users can ask and answer questions, rate the usefulness of answers, and participate in the community by voting on questions and answers. Yahoo! Answers is a good resource for finding answers to questions you may have, or for sharing your own knowledge and expertise with others. You can create an account on Yahoo! Answers and start asking and answering questions right away.