Not so with iRobot’s new Roomba i7+ ($950), which empties itself. While the device is powering up, a separate vacuum inside its base charger sucks the dirt and dust from the Roomba’s innards ...

Even better, the Roomba i7+ intelligently maps your place on its ... having started out in the wacky world of print magazines before discovering the power of the internet. Since he's been all ...