It is believed that Koum is leaving due to disagreement with Facebook over the privacy of user data and the Cambridge Analytica scandal.
What is the origin of the expression ‘the walls have ears’? Philologos delves into Hebrew scholarship — and explains what it has to do with WhatsApp billionaire Jan Koum.
A few days after selling WhatsApp to Facebook for $19 billion, Jan Koum stepped into a suite at the St. Regis Hotel in San Francisco to celebrate with old friends, including CEOs, reformed hackers and a few people who fell into both those camps.
Jan Koum’s birthday was Monday, but he received his big gift early.
WhatsApp co-founder Jan Koum was once a penniless Jewish immigrant living on food stamps. Now he’s a Silicon Valley billionaire.