Sure we've all downloaded a free copy of Google Earth, the big G's eye-popping desktop map application, and flown around the planet with a heightened sense of awe at how cool the whole thing is. But have you done anything else with Google Earth since then? Traveler Anick Jesdanun used Google Earth to create a robust photo tour of a trip through Antarctica and South America, and found the software powerful but complicated and difficult to intuit—especially for friends with whom he shared the resulting KML file.