Facebook Buys WhatsApp for $16 Billion Plus $3 Billion in Restricted Stock

Facebook's at it again. Today the social media giant acquired the popular messaging app WhatsApp for a whopping $16 billion, according to the SEC filing that popped up earlier today. Broken down, that's $4 billion in cash, $12 billion in Facebook stock, a possible $3 billion in restricted stock. (That would actually bring the total up to $19 billion. Yeesh.) WhatsApp is popular because it allows users to chat and share files with both groups and individuals, which makes it kind of an augmented v...