And then you get a pop-up asking to subscribe to the newsletter of a company whose product you know nothing about.
Don't forget about "leaving already?" popup when one moves cursor diagonally towards tab/top area
just like in a physical store. when you're shopping for clothes and some overeager sales assistant comes to hovers around you asking if you need any help. sometimes it's useful but sometimes it's annoying and you just want to be left alone to look yourself.