Let's quickly go over some basics at the heart of Twitter there are small bursts of information called Tweets quick updates like a text message but a Tweet can be more than just text it can include a photo uploaded to Twitter a video you can watch inside the Tweet or a link to great content on the web the stream of of Tweets is your Twitter and you create it by following accounts that are interesting to you when you first join, your Twitter is empty but during the signup we'll help you find great accounts that match your interests.