Twitter is a micro blogging platform which allows you to publish short messages of less than 140 characters through different mediums like IM, cellphones and the web.

It has a social element as well, as it allows users to befriend and monitor each other’s messages or updates. So what you have here is a publishing tool that can be either public and private.

It is similar to an IRC channel although messages are displayed less rapidly. Some have called it a slower version of Internet messengers.

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