For years now, hotel chains have been toying with alternative ways to letting patrons check-in, access their room and run up their bill with all-too-convenient in-room services. Marriott began testing smartphone check-ins way back in 2006, and select boutique locations (like The Plaza Hotel in New York and Boston's Nine Zero) have relied on RFID, iris scanners, biometric identifiers and all sorts of whiz-bang entry methods in order to make getting past a lock that much easier (or harder, depending on perspective). Thi
