The founders of WhatsApp left the company, left without a billion dollars. They argued with Zuckerberg due to advertising, data protection and office seats
Patrick T. Fallon / Bloomberg / Getty Images Jan Kum and Brian Eckon at the WSJDLIVE GLOBAL TECHNOLOLOLOGY conference in California. October 2016 Facebook bought WhatsApp in 2014 for $ 19 billion - this is still the most expensive acquisition of a company, which also belong, in particular, Instagram and Oculus VR. In 2017-2018, the founders of Brian Eckon and Jan Kum left the WhatsApp. According to the media, the reason for the departure was their fundamental disagreements with Facebook leaders.