You've never really experienced Google Earth until you've explored it on a touchscreen, flying around the world with the flick of a finger and dropping down for a closer look with a pinch. Whether you're a geography junkie or just an aimless wanderer, having an entire world in your pocket is pretty amazing.
WIRED Natural touch controls. New ocean layer adds undersea terrain.
TIRED Lacks desktop version's ability to calculate distance and jump quickly into Google Maps and Street View.