I suspect they foresee a potential demand for this sort of technology as a diagnostic tool — a dumb terminal for servicing point-of-sale systems, connecting to utility meter points and the like. There’s people out there with massive laptops, purely to start a telnet session over RS232. Some guys have traded down to netbooks with a USB->RS232 dongle hanging off it, but it’s still overkill. The N520 is an excellent size for that sort of thing, even if traditional terminal windows are landscape rather than portrait…