> Isn't it opt-in by using their platform? I don't think this is an entirely fair argument unless it is exceedingly clear what you are opting in to. The fact

> Isn't it opt-in by using their platform? I don't think this is an entirely fair argument unless it is exceedingly clear what you are opting in to. The fact that FB (and others) are so resistant to being more transparent about this is in itself informative.