Timeline: The Most Important Social-Media Events in History
The first e-mail was sent just over 40 years ago; we've come a long way, baby. But along with the highs (Twitter-enabled revolutions, Chatroulette), there have been a lot of lows (Kim Kardashian's tweets, Chatroulette). These are the moments that are worth remembering and, in some cases, cringing about. Plus: See our complete coverage of social media mavericks.
June 2011: The masses learn the difference between a tweet and a direct message thanks to Anthony Weiner.
Justin Timberlake (perhaps inspired by his role as an Internet mogul in The Social Network) and Specific Media acquire Myspace for $35 million—$545 million less than News Corporation paid for it in 2005.