Fred Wilson is dead on; we must produce value. I think Facebook was brilliant for buying Oculus. Not so sure about Whatsapp. In my next life, I might try farming.
I think WhatsApp was a solid purchase, they have a massive, paying user-base and offer great communication alternatives to those in developing nations. Read more here: https://growthhackers.com/companies/whatsapp/
> paying user-base
I've yet to meet anyone who has ever paid to Whatsapp.