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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.
You can take it a step further. If you live in an area with a lot of theft, put some tracking tags on things that tend to get stolen, then see how easily you can track them down. An attacker can track your phone in much the same way as you tracking down that tag, so if you have a particularly motivated stalker, they could figure out exactly where you are.