Some good friends and I have this ongoing conversation about which is more 'important', 'influential' or generally the hotter topic in tech. The answer for me is increasingly...BOTH. This is an excellent demonstration of why. Some of the key hardware here really exploits some material performance, enhancing how effective the sensor/software feedback works. Badd Asss. This is from the Roomba gang, iRobot. The batter...Del Spooner!