One of the cooler, and scarier, things you can do with the PSP's GPS accessory is keep track of everywhere you've been while the GPS is on. PSP GadgetZ discovered that by downloading Kashmir 3D and placing a GPSLOG.DAT file in the Memory Stick, the PSP will see where you go, and even trace your elevation. Certainly, Hansel & Gretel would have loved to have this.
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