<http://schema.org/description>
"Hotel guests may soon be able to bypass the check-in counter and unlock their rooms with digital keys sent to an app on their iPhones, one hotel chain says."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.upi.com/Science_News/Technology/2014/01/27/Hotel-chain-testing-program-of-using-smartphones-as-room-keys/UPI-54481390864245/>