5. Google Buzz, 2010 

Before Google+ there was Google Buzz. Integrated into Gmail, Buzz allowed users to share photos, links, messages, and updates. When a user posted, they could have their post sent to a number of different Google platforms. Shortly after its release, Buzz faced harsh criticism for its lax privacy controls, and was even brought court by a Harvard Law Student who alleged that Google violated numerous privacy protection laws. Last month, Google announced it was shutting down Buzz to focus on its newest social network, Google+. Lets see how this turns out.