It's so Eddie & Cindy can pop in, unannounced, at your house.
It's so Eddie & Cindy can pop in, unannounced, at your house.
It's so Eddie & Cindy can pop in, unannounced, at your house.
The reason why alot of larger apps enable that permission is to interface to the in-app advertisements so that they can localize which ones to show you. As suggested, some phones can selectively "allow access" but turn off services to individual apps.
Though personally, I like Krystian's reasoning better.