GPS-enabled Car Finder: $79
I’m betting there is already an iPhone app that does this, but here goes. Yes, you can pay $79 for a real live GPS-enabled key chain ornament that has one purpose to guide you back to your car. Based on my reading, you click a button a the location of your car. Go off and do whatever and when you want to get back there an arrow points the way back. Most GPS’ can do that (and more) and some are but a few dollars more but are not as tiny or cool.
I must point out the manual device I reviewed years ago in GIS Monitor (sorry, no longer available online for historic reference) that did the same thing manually by acting like a simplified compass. Cost?
<$5. The manufacturer sent me a handful.
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