Earlier quoted context omitted.
Most people i've seen move away from facebook ended up in instagram and whatsapp. So i'm not worried for the stock in the long term. They do however need to prepare for the post-instragram era. Not sure what it's going to be.
I've been curious about what the effects are of people moving to Instagram and WhatsApp. I'm not too familiar with the former, but am I correct in assuming it's less useful, compared to FB proper, for both ads and information gathering? And with WhatsApp, if everything is indeed end-to-end encrypted, would this not be even more the case? Instead of a steady supply of chats, photos, location data, FB would 'only' have…
Also, I don't know about global statistics, but in the UK amongst adults, adblocker usage is around 22%. Delivering ads to these people becomes far easier in smartphone apps.