Why I never trust GPS maps completely (and you shouldn't either)[ Fri, 28 Sep 2012 15:51:05 GMT ]Thanks to the well-publicized shortcomings of Apple's new Maps app, our blind reliance on GPS apps has become quite clear. As a navigationally challenged human who's reviewed GPS gadgetry for 10 years, I've learned that any system can be as flawed as it is useful, and you should never trust it 100 percent.