Brian Acton, an engineering manager who was rejected by both Twitter and Facebook before cofounding WhatsApp, the mobile messaging platform that would sell for 19 billion dollars.
Brian Acton mérnök-menedzseré, akit sem a Twitter,  sem a Facebook nem vett fel, de aztán létrehozta a WhatsAppot, a 19 milliárd dollárt érő üzenetküldő felületet.