Over lunch with pgm I mentioned my old friend Andy Barrows, with whom I studied at the long-defunct American Renaissance School before he went off to MIT and then Stanford (that's him on the left in this image of some flight testing over Alaska). Now it seems that Andy is CEO of Nav3D, a company that produces synthetic vision systems which integrate GPS data with 3D graphics, thus enabling people (e.g., pilots) to visualize scenes in real time. Kinda cool.