Nowadays, twitter is very popular in the whole world. Many people are using it to keep in touch with their friends. Twitter is a tool which is used to broadcast to all your followers what you are doing. You could also tell anything you want and your followers could read them. In twitter, other people who are interested to your message (AKA tweets) will follow you. You could also follow other people if you like to read their tweets. Some people have millions of followers. They have million of followers because other people are interested to their tweets.
I also use Twitter. Follow me on twitter: http://twitter.com/bendeleon1226
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