> some other factors I'm probably forgetting The verified phone numbers of 800 million people [1] and the ability to act as a gateway drug to other Facebook se

> some other factors I'm probably forgetting The verified phone numbers of 800 million people [1] and the ability to act as a gateway drug to other Facebook services [2]? [1] https://en.wikipedia.org/wiki/WhatsApp https://en.wikipedia.org/wiki/WhatsApp [2] https://en.wikipedia.org/wiki/WhatsApp#Acquisition_by_Facebook https://en.wikipedia.org/wiki/WhatsApp#Acquisition_by_Facebo...