Twitter is a global microblogging platform that enables users to share real-time updates in the form of short messages called tweets. Users can follow others, retweet, reply, and engage in public conversations. Twitter is widely used by celebrities, politicians, journalists, and businesses to communicate with audiences. It plays a key role in news dissemination, marketing, and public engagement. Features like hashtags, trending topics, spaces, and polls make Twitter a dynamic platform for live interaction and influence.