Goodbye travel agents. Hello iPhone. Booking a luxury vacation has become that much easier, thanks to the new Four Seasons iPhone and iPod Touch application that let's you book overnights at one of their many hotels worldwide with just the swipe of a finger. Find a room, peruse and book spa treatments available at your chosen property, and tour your hotel before you even arrive with the "virtual vacation" feature, which showcases the Four Season's various properties via streaming video. Download the app for free at the iTunes App Store.