Many analysts and technology insiders have suggested that Facebook is overpaying for WhatsApp, the mobile messaging service that it is buying for up to $19 billion.Mark Zuckerberg isn’t one of them.”By itself, WhatsApp is worth more than $19 billion,” Mr. Zuckerberg, Facebook’s chief executive, told an audience on Monday at the Mobile World Congress conference here. “Few services in the world can reach one billion users, and they are all valuable.”
http://bits.blogs.nytimes.com/2014/02/24/zuckerberg-says-whatsapp-deal-was-a-bargain/