WhatsApp cofounder leaves following Cambridge Analytica scandal

The man who Mark Zuckerberg says taught him about the power of encryption is leaving the Facebook family.

The departure of WhatsApp CEO and cofunder Jan Koum comes after Facebook's biggest privacy scandal to date. And six months after WhatsApp cofounder Brian Acton left the company and joined the #DeleteFacebook movement. Facebook bought the chat app, which highlights and promotes encryption and user privacy, in 2014 for more than $19 billion. 

In a Monday Facebook post, Koum wrote it was time for him to "move on." He plans to spend time "collecting rare air-cooled Porsches, working on my cars and playing ultimate frisbee."  Read more...