It'll probably know when you're nervous and maybe place an ad for a sedative in your Facebook or Twitter feed? Or maybe sth like a "who's nervous around" screen

It'll probably know when you're nervous and maybe place an ad for a sedative in your Facebook or Twitter feed? Or maybe sth like a "who's nervous around" screen on someone's phone will show your name on it. It's really discomforting this thing, there's an infinite possibility of exploitation.