Then I'd argue that the actual problem is only having a permission to access the contacts, and not limiting what the app can do with them. Of course, limiting w

Then I'd argue that the actual problem is only having a permission to access the contacts, and not limiting what the app can do with them. Of course, limiting what an app can do with data that it already has access to is an interesting technical problem (and AFAIK not one Android is currently set up to handle)...