The biggest drawing in the world created by GPS and DHL
There are all sorts of creative uses for GPS, but here's a fellow who says he sent a self-designed GPS "device" in a briefcase to DHL with express travel instructions. He plotted the shipment's movement and ended up with the drawing you see above. We're a bit confused. First, he says he developed a GPS device with extended tracklog and battery time. Okay, but... using what, exactly?