add setback thermostat, answering machine, dryer, stove, house alarm system, heating systems, newer air conditioners, IPod, WII or console box, cable box, uninterrupted power supplies, Blackberry, router, if you are on the internet alot of cpus for the servers, ATM, printers, electronic calculators, EZpass systems, Fax machines, traffic lights in larger cities, credit card machines, commuter trains have cpus , x-ray machines, CAT scanners and MRI,