Hacking Google Maps and Google Earth (ExtremeTech)

This one-of-a-kind resource contains 500 pages of jaw-dropping hacks, mods, and customizations. These include creating mashups with data from other sources such as Flickr, building a space station tracker, hacking Maps with Firefox PiggyBank, and building a complete community site with Maps and Earth. Now you can map out locations, get driving directions, zoom into any point on the globe, display real time traffic, and much more.