Facebook is an ‘infectious disease’ and will lose 80% of users by 2017, say researchers January 23, 2014 by Fulcrum A new study of Facebook has predicted that the social network’s rapid growth will prove unsustainable and that the site will lose 80 per cent of its users between 2015 and 2017. James Vincent. Independent. 23 January 2014 FulcrumShareTweetShare