Now, there's a quick shortcut to manage location permissions within the Location settings. (xda-developers.com)
Apps with location permissions enabled will either always use Location Services or only use them while you're using that specific app, depending on which of the two other options you select. (tomsguide.com)
Apart from your saved contacts, you can call local businesses nearby as Google Home uses your location (during the set - up process, it requires location permission). (indabaa.com)