How does Facebook make money from WhatsApp?

Related questions

1. How can I know who visited my WhatsApp?
2. Was WhatsApp always free?
3. Is WhatsApp is banned for a week?
4. What are the benefits of WhatsApp?
5. Can someone see my WhatsApp status without me knowing?
6. How do I get verified badge on WhatsApp for business?
7. Can I convert my WhatsApp to business account?
8. What's the advantage of using WhatsApp?
9. What is WhatsApp API?
10. What is Whats App API?

Tags

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2. #dollar
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4. #charge
5. #there
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7. #whatsapp
8. #leave
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11. #short
12. #money
13. #another
14. #messaging
15. #people
16. #acquiring
17. #company
18. #immediate
19. #could