Technologies like the "car's engine and emissions, but how about what's going on inside? Volvo has extended its reputation for to the realm of personal security, developing a new technology that can detect if someone is hiding in a car." may provide a ton of information about what's going on with a
Using a heartbeat sensor, the Volvo S80's "Personal Car Communicator" will flash its lights if there's "a murderous criminal hiding in the back seat," Popgadget says. The device is aimed at less sinister situations as well, such as accidentally locking yourself out with the baby inside. It's a sad commentary on society, but we're sure there's a market for such technologies in the home as well.