The four leading technologies which have showed a high adoption rate from the industry and have received attention from academia are: self-service, wireless, green, and security technologies. The advantages of these technologies for hoteliers include enhanced customer services and operational efficiency (Doyle, 2007), decreased guest wait times, more efficient methods to settle bills (Singh & Kasavana, 2005), reduction of energy costs (Meeroff & Scarlatos, 2007), and protection of sensitive customer data and credit card numbers