Browsing: Jan Koum

WhatsApp founder and CEO Jan Koum is leaving Facebook, just a few years after his messaging app was acquired by the social media giant for $22bn. With Koum’s departure, Facebook loses one of its

South Africa, where 80% of the adult population owns a cellphone but the median income is a mere R3 000/month, poses specific challenges to tech companies trying to make inroads into the cellphone market. For many, the solution has come in the form of apps that allow

Silicon Valley is as much about creating legends as it is about changing reality. Where else could a guy get turned down for a job and then, five years later, sell his company to the people that turned him down for US$19bn? I’m talking, of course, about