Important

This page can not be shown in IFRAME according to www.theguardian.com rules.
You will be redirected to https://www.theguardian.com/technology/2014/jan/22/facebook-princeton-researchers-infectious-disease?CMP=twt_gu in 3 seconds. Stop

Facebook will lose 80% of users by 2017, say Princeton researchers #Facebook #SocialMedia #PrincetonUniversity 7 years ago