[anonyfuss]

> I agree this is also a good way to ask for permission. Does Apple do this in iOS?

Yep, just once.

> I don't agree that "this user pressed this button at this time" quite fits into the same category of privacy though.

You're going to consume the user's resources by sending that information, and most users don't really want you to (for obvious reasons), so it seems most ethical to ask first.