Researching and booking hotels just got a whole lot more convenient for smart phone users. Hotels.com, the world leader when it comes to accommodation bookings, has launched a smart phone app for both iPhones and Android phones. Available in 30 languages, the app puts 135,000 hotels from around the world at your fingertips, with over 2,000,000 user reviews and 20,000 special offers. Look out for it in the iTunes App Store and the Android Market.