Quora

Founded in 2009 by former Facebook employees Adam D'Angelo and Charlie Cheever, Quora aims to democratize knowledge by providing a space where individuals can share insights, experiences, and expertise. The platform has grown to over 400 million monthly unique visitors, offering a wide range of topics from science and technology to personal anecdotes and advice. Quora emphasizes quality content and community moderation to ensure valuable and trustworthy information.