> In 2014, Facebook bought WhatsApp for $16 billion, making its co-founders — Jan Koum and Brian Acton — very wealthy men. Koum continues to lead the company, b

> In 2014, Facebook bought WhatsApp for $16 billion, making its co-founders — Jan Koum and Brian Acton — very wealthy men. Koum continues to lead the company, but Acton quit earlier this year to start his own foundation. It's in the first two sentences. Action is one of the co-founders of WhatsApp