Your new running shoes have WiFi, but there are still -- still! -- no flying cars. We've got mini-supercomputers in our pockets, but where's the kitchen machine that materializes beef bourguignon? It's not quite the future we predicted, at least as far as Back to the Future 2 and The Jetsons informed us, but it's the future we've got. Something as basic as, say, turning on electronics using your voice is still novel. Mic
