Twitter, which was founded in 2006, began as a text messaging service for people to connect within a small group. A tweet, a message consisting of up to 140 characters, is what Twitter is made up of. Photos and videos can be included within your message.
The use of hashtags on Twitter is a way people link to a certain topic. Twitter publishes trending topics on the site throughout the day.
The information you put out there is done so in real-time. The information is shared instantly.