GPS for GBA
Grey Ninja writes "I just came across a preview for a new gadget that's going to be demoed at E3, which is a GPS and map attachment for your GBA. It should be mentioned that you can pre-order now and get $50 off. " I can't imagine very many useful applications for this, but it sure is nifty.
Dude, do you know how GPS works? A GPS unit on the ground listens to the signals from a couple of different GPS satellites and uses the information in those signals to triangulate its own position relative to the satellites (that's a very simplified explanation, but that's basically how it works). The satellites don't "find" you or "tell you where you are." They just beam messages down to the surface. They have no idea where, or by whom, those messages are being received.