Suspect device 004: Personal mobility systems (V2) -- "You've seen Boblbees. They're beefy, toboggan-looking things balanced delicately at the point where geek meets chic, truly the Buddy Holly glasses of gear. The funky look derives from one of the few significant innovations in stuff-hauling technology to come down the pike in, oh, five thousand years or so...as we shall see." (Mac comments: I have never seen a Boblbee. )