Twitter is a free app that lets you connect with people, express yourself, and discover more about the things you love. Hear about breaking news first. See what your favorite celebs, athletes and public figures are chatting about. Catch a glimpse behind-the-scenes at the Oscars, concerts, sporting events, and more. Then join the conversation: Tweet your own text and photos to your followers — and maybe make a few fans along the way. Even send private messages to friends. All in real time, as big (and little) things happen, from anywhere you happen to be. When something happens in the world, it happens on Twitter. Express yourself with text, photos, emoji, emoticons, GIFs and Vines. Get breaking news, instantly, by following hashtags like #breaking and accounts like @BBCBreaking. Go behind the scenes at exclusive events like the VMAs and the World Cup. Use hashtags (like #puppies) to find more Tweets about topics you love. Start a conversation with people who interest you, including celebrities like Katy Perry, Patrick Stewart and astronaut, Chris Hadfield.