What is Twitter? It is many different things to many different people. It can be used by a family to keep in touch, or a company to coordinate business, or the media to keep people informed or a writer to build up a fan base. Twitter is micro-blogging. It is social messaging. It is an event coordinator, a business tool, a news reporting service and a marketing utility. An excerpt from: What is Twitter? Twitter Explained By Daniel Nations, About.com Guide