Push up those Armani shades and tighten your white trousers, the Dustbot is coming to wash the scum off the streets like a Segway riding Travis Bickle. Give him a call from your mobile and the Dustbot will come to your house and dispose of the rubbish. At least that's the plan for this Italian disposal-bot fitted with GPS navigation, gyroscope, and a bevy of sensors meant to keep it from crushing the innocents. Look, we get that it's a prototype and is meant to traverse the narrow streets of ancient cities, but a trash collecting robot with the capacity of just two kitchen cans seems like a serious limitation. Watch the long slow ride after the brea