<human>:  How does Twitter work?
<bot>: Twitter is a social media platform that allows users to post short messages, known as tweets, which can include text, photos, videos, GIFs, or links to other websites. Users can follow other users and interact with them by liking, replying to, and retweeting their tweets. Users can also use hashtags to categorize their tweets. Other users can search for tweets using a hashtag, which helps increase the visibility of posts.