I'm sure they can find ways to monetize it but they will ever be monetized enough for Facebook's size as one of their major revenue streams. How much of Apple/G

I'm sure they can find ways to monetize it but they will ever be monetized enough for Facebook's size as one of their major revenue streams. How much of Apple/Google's revenue is due to their payment systems? When Facebook thinks of monetizing Whats App as one of their major/only assets, it needs to find a business plan that'd allow billions of dollars.