Starwood Hotels, which include the W and Aloft brands, will soon allow you to do everything from check-in to opening your room using only your smartphone. The Starwood Preferred Guests (SPG) app will house your room key right on your phone, which will then be able to unlock your room by connecting to a special lock via Bluetooth and a twisting motion.
Full story from the iMore Blog...
Full story from the iMore Blog...