Bob’s privacy policy is simple, really. Bob won’t sell your name. Bob won’t rent your name, or share it with anyone. Heck, with his memory there is a good chance he won’t even remember your name. He can barely remember his.
That also goes for your email address, or any of the relatively innocuous network data gathered by this here new fangled computing device.
The fact that you were here will stay between you and him. Your secret is safe with us. Unless, of course, he somehow manages to piss off Vladimir Putin, in which case all bets are off.