WhatsApp co-founder turned Facebook employee Jan Koum left Facebook after clashing over Facebook’s degradation of WhatsApp users’ data privacy, which is now being shared with Facebook. Facebook seems willing to share any user data with interested parties if it makes them more money

The Verge

WhatsApp co-founder Jan Koum is leaving Facebook after clashing over data privacy

The messaging app’s CEO pushed back against Facebook’s approach to user data, advertising, and encryption