Twitter is a microblogging social networking service that allows users to send short text based messages with up to 140 characters.
At first Twitter was not all that popular but in 2009/ 2010 the user base has erupted. People from every walk of life can be found on Twitter – politicians, prime ministers, actors, celebrities, religious figures, corporations, business leaders – even astronauts and so on.
Twitter is now estimated to have over 105,000,000 (105 Million) users
Web address: www.twitter.com
With so many high profile users on Twitter, many companies have developed 3rd party applications to integrate with Twitter.
Twitter has grown alot thanks to mobile platforms, iPhone applications, Nokia, android and so on.
Twitters user has been noticeable across areas such as education, legal proceedings, emergencies/crisis situations, survey opinion, political campaigning, protests, public relations, NASA space missions, business, fundraising and many other purposes.