I can't answer your questions, but I'll add this: 1. FB owning both Instagram and WhatsApp means that it's almost impossibly for me to escape their grasp as a

I can't answer your questions, but I'll add this: 1. FB owning both Instagram and WhatsApp means that it's almost impossibly for me to escape their grasp as a 'regular person'. 2. even avoiding FB itself is difficult. From apps that use the FB SDK to like buttons infecting many sites I visit, FB gets to track my behavior. That seems like abuse, or monopolistic. I can't see a practical way to avoid FB in my day to day. That's definitely a duck that quacks.