Instagram is a popular social media platform that allows users to share photos and videos with their followers. It was launched in 2010 and quickly gained popularity, now boasting over 1 billion active users worldwide. Users can post photos and videos on their profile, apply various filters and effects, and add captions and hashtags. They can also follow other users to see their posts on their feed and interact with them through likes, comments, and direct messages. Instagram offers various features, such as stories, IGTV (long-form videos), and live streaming, to enhance user experience.