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Location tracking of phones is out of control. Here’s how to fight back.
(arstechnica.com)
This is a most excellent place for technology news and articles.
Correct, using the guest network is better but I think turning off WiFi and just using mobile data is sufficient. I wonder if the permission applies to cellular connectivity as well.
Sure, removing your network from the equation is definitely a more secure option; just make sure the app isn't using those granted permissions in the background when you're done using it and log back into your network.