What Condoleezza Rice argued, however, was it made no sense to "put deadboltlocks on your doors and stock up on cans of mace and then decide to leave your windows open" to enemy attack.
Master Lock sells a garage-door opener with a built-in fingerprint scanner, the Kwikset SmartScan Deadbolt will open up your front door with another finger swipe and Schlage's LiNK door locks allow owners to give anyone access to their home by punching a code into a computer keyboard or mobile phone's keypad.