Between their demo and the youtube video in the wired article, Kiva couldn't ask for better PR. It really is an interesting system. No RF technology used as fa

Between their demo and the youtube video in the wired article, Kiva couldn't ask for better PR. It really is an interesting system. No RF technology used as far as I could tell. Simple solutions combine to make an efficient reliable scalable system. I'd love to talk to the programmers that got to build this system, what fun!