My honest appraisal:
Facebook is a ‘net positive’ for society, but Instagram is a ‘net negative’ to society.
I am the expert
As an undergrad at UCLA , I taught a ‘Sociology of Facebook and Online Social Networks‘ course which was about:
What is the sociology of Facebook, and how will it affect the future?
It seems I was quite good at predicting almost a decade ago that Facebook would take over the world.
Facebook owns what?
Our main services include the Facebook app, Messenger, Instagram, WhatsApp, Oculus, Workplace, Portal and Calibra.