It was an interview done speculatively, and I'm not aware of any active work in this space.
So I wouldn't exactly take his limited view as a yardstick by which to measure how much data they are collecting and for what purposes.
"You can't tell me what to fuckin' believe!"
Well I wish they would let that apply to other groups then.
I judge a religion as being good or bad based on whether its adherents become better people as a result of practicing it. - Joe Mullally, computer salesman