Add ?hotel keycards? to the list of technologies the smartphone looks poised to kill.
Hilton has announced that by next year, guests will be able to use their smartphones, rather than the traditional plastic cards, as their room keys. The technology, which will work with Android and iOS devices, will be available to customers with Hilton ?HHonors? accounts and will eventually let the guest skip the hotel front desk entirely, as check-in, check-out, and the room key process will all move to the phone.
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