Technology has made the PBX operator nearly obsolete; check-out is already just a walk out the door. Will the day come when the front desk disappears completely? Yes, it will come … as we manage our lives through the power of “the device.”
For the uninitiated, straight-to-room keyless entry allows guests to check-in to their hotel, select a room and receive an encrypted passkey that is sent to their smartphone.
Source: Straight-to-room technology in hotels is going to revolutionize hotel stays
Prof. Dr. Mihir Nayak 