Here's a bit of a surprise that slipped under the radar during the Google I/O keynote: Google Earth for Android has been updated to 7.0 to take advantage of the new 3D map technology it unveiled at another special event just a few weeks ago. As a refresher, the visuals are automatically created from 45-degree aerial imagery and can pick up 3D elements as subtle as trees. Before you go racing to your hometown to see how it looks in 3D, be aware that just a handful of cities and regions exp
