Quick Answer: X, formerly known as Twitter, is an American microblogging and social networking service. It is one of the world's largest social media platforms and one of the most-visited websites. Users can share short text messages, images, and videos in short posts and like other users' content. The platform also includes direct messaging, video and audio calling, bookmarks, lists, communities, Grok chatbot integration, job search, and a social audio feature. Users can vote on context added by approved users using the Community Notes feature. The platform, initially called twttr, was created in March 2006 by Jack Dorsey, Noah Glass, Biz Stone, and Evan Williams, and was launched in July of that year; it was renamed Twitter some months later. The platform grew quickly; by 2012 more than 100 million users produced 340 million daily tweets. Twitter, Inc., was based in San Francisco, California, and had more than 25 offices around the world.