Twitter is a real-time online social networking platform founded in 2006. As of 2012 it reported over 500 million active users generating over 340 million tweets daily, making it one of the world's most visited websites. 

The US Navy was also roped into the confusion when it inadvertently sent out a tweet with Assange’s name in quotes, which was quickly deleted

Julian Assange’s Twitter account briefly vanishes

By Julie Bort

WikiLeaks founder Julian Assange disappeared from Twitter for a while on Sunday.

From somewhere around 8 p.m. ET on December 24, any attempts to view his Twitter account resulted in an error message saying the page did not exist.