Growing up, I believed that very soon we would all have robots like Rosie, from The Jetsons, cleaning up after us. For those out there who are too young to remember The Jetsons, Rosie is the family's domestically adroit robot maid. After all, why should anyone waste time doing dishes or folding clothes? I longed for a droid friend like C-3PO, Luke Skywalker's robot buddy from Star Wars.
But Rosie never came. All I got was a Roomba, an automated vacuum cleaner that goes round and round. And the closest thing to C-3PO on the mass market is Siri, who is cute but not terribly clever, and, beyond superficial capabilities, conversationally challenged. Even in this exponential era, we seem f