I regularly drive vehicles with and without GPS, and I admit that navigation can be addictive. But I generally prefer to use it as a map rather than a having it read directions to me, because I don't feel comfortable blindly accepting that “the machine knows,” as Michael Scott puts it. ….. There is nothing worse than landing in a strange city somewhere at 10PM on a Sunday night, and trying to follow a map in a rental car to find some random hotel. … …

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Another Cautionary Tale Of GPS Dependence | The Truth About Cars