Summary: Lose your hotel key card? Did it accidentally get demagnetized? Well, there's a new, high-tech way to get into your room: mobile keys that let guests unlock their doors with their cell phones. CNET's Kara Tsuboi reports.
Summary: Lose your hotel key card? Did it accidentally get demagnetized? Well, there's a new, high-tech way to get into your room: mobile keys that let guests unlock their doors with their cell phones. CNET's Kara Tsuboi reports.