Researchers: Facebook Already Peaked, Could Lose 80 Percent of Users by 2017

Researchers used Google trends and theories on how disease spreads

Interest in Facebook has peaked and the social network could lose up to 80 percent of its users by 2017, researchers say.

Academics at Princeton University used theories on the spread of disease combined with Google Trends data on searches for Facebook to predict the demise of the world's largest social network.