X, previously known as Twitter, is a social networking and microblogging platform that allows users to share short messages called "posts". These posts, formerly known as "tweets," can include text, images, and videos. X was created in March 2006 by Jack Dorsey, Noah Glass, Biz Stone, and Evan Williams and launched in July of the same year. In April 2023, Twitter merged with X Holdings, becoming a part of X Corp.
Key features of X include the ability to follow other users, like and repost content, and engage in conversations through replies. Hashtags categorize posts and make them searchable, while trending topics showcase popular discussions in real-time. Users can also send direct messages, participate in live audio conversations through Spaces, and create lists to organize accounts based on interests. Posts are limited to 280 characters, promoting concise communication. While X is free to use, there is a premium subscription service.