What do they say it is?
Twitter is a service for friends, family, and co–workers to communicate and stay connected through the exchange of quick, frequent answers to one simple question: What are you doing?
What do we say it is?
A micro-blogging platform. Twitter is a really simple way to update fans, friends and colleagues about what you’re up to. Think of it as the cool ‘status update’ bit of Facebook without all the nonsense with the vampires. Best of all, you can send and receive twitter updates (or ‘tweets’) via SMS – so you can do it anywhere.