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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.
Yeah but it was a luxury, and most likely an RX-only unit that only had a GPS radio. Even if you had a 2g cell radio in the 90's in your car it'd be incredibly limited, and horrendously expensive for something you could carry in your pocket.
These days even the cheapest model of Honda Civic will have a modern internet connected network of microcontrollers and computers which all receive OTA updates, many of which handle telemetry.