Twitter

Twitter is a popular social networking and micro-blogging service website that allows users to post their latest news and thoughts in the form of cell phone text messages that can be tied to IM instant messaging software. All Twitter messages are limited to 140 characters.There are many celebrities on Twitter, such as President Barack Obama, Kai-Fu Lee, etc. Since Twitter is the fastest and most convenient channel for news dissemination, its influence can be seen in the 2008 U.S. Presidential Election, the Iranian Green Revolution, and the Denver airplane off the runway incident.