MicroBlogging is a term described by Wikipedia as "a form of blogging that allows users to write brief text updates (usually less than 200 characters) and publish them, either to be viewed by anyone or by a restricted group which can be chosen by the user". Several startups have witnessed phenomenal growth with micro-blogging services, most notably Twitter. In addition, numerous social networks - including Facebook and Bebo - have integrated similar status update services. The space is hot and it's still heating up. So let's take a look at 10 of the key players.