The billionaire cofounder of WhatsApp, which Facebook acquired for $19 billion, just tweeted 'deletefacebook' (FB)

REUTERS/Mike Blake WhatsApp cofounder Brian Acton jumped on the #deletefacebook trend Tuesday. The hashtag formed amidst claims that Facebook allowed data analytics company Cambridge Analytica to collect data from Facebook users' profiles. Facebook acquired WhatsApp for $19 billion in February 2014. Brian Acton, the cofounder of the messaging company Facebook paid $19 billion to acquire four years ago, tweeted on Tuesday that he believed it was time to stop using Facebook. "It is time. #deletefa...