[GPS receiver in 1985](http://img.engadget.com/common/images/0131583169424672.GIF?0.8677629570302273) [GPS receiver today](http://www.engadget.com/2007/09/19/proportas-freedom-key-ring-gps-receiver-stays-out-of-sight-kee/)
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[GPS receiver in 1985](http://img.engadget.com/common/images/0131583169424672.GIF?0.8677629570302273) [GPS receiver today](http://www.engadget.com/2007/09/19/proportas-freedom-key-ring-gps-receiver-stays-out-of-sight-kee/)
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