Slimtrader is a promising start-up that launched a commerce platform a year ago using the tools available in the developing world: feature phones and SMS. A traveler in Lagos, Nigeria can enter the text shortcode for a bus ticket and get a reply with a schedule and prices.
Enter the IEEE 1394 architecture and its close kin FireWire, which takes the high-speed digital bus interface up to the wicked fast transfer rate of 400MB per second.