So Facebook purchases the mobile messaging service WhatsApp for $19 billion in cash and stock.
And the world raises a collective eyebrow.
Yes, the app has over 450 million monthly active users. But is it truly worth it?
According to Silicon Valley insider Om Malik, the answer is yes... if you're Mark Zuckerberg.
Malik tells me, "What seems like an insane amount of money is not insane when you feel a little worried about the long-term prospects of the company."
Click on to hear more about why Facebook forked up so much money for WhatsApp, and to see how the app's key metrics compare to its rivals.