Twitter is basically a simple social network. You can think of it as a hybrid of email, instant messaging and sms messaging all rolled into one neat and simple package.
The idea behind twitter is that you broadcast to anyone who chooses to follow you, simple messages also known as "tweets". It could be as simple as what you are doing right now or you could ask a question to your followers. Likewise you can choose to follow people and recieve their messages.
Twitter also has:
Check out the videos below. The first will show you the general idea behind twitter and the second details some examples and tools you for use with Twitter.
Sign up for an account an account, join the fun and follow the updates.
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