Smart homes will itemize electric, water, and gas bills by fixture and appliance

the PopMechanics Brain Trust : scientist
Shwetak Patel, a 30-year-old MacArthur Fellow, is working on low-cost sensors that monitor electrical variations in power lines to detect each appliance's signature. He has already used pressure changes to do the same for gas lines and water pipes. It's up to you to pinpoint where the savings lie

Popular mechanics, (2012) "110 Predictions For the Next 110 Years", [online], Available: