GPS is burgeoning into a tool for more than just finding our way, such as choosing gears on a weekend drive. If one of Google's newly published patent applications becomes reality, positioning might also fix our off-color photos. Its proposed technique would use GPS to automatically tune a camera based on both the local climate and whether or not you're outdoors: the white balance and saturation could be different for a sunny day in the park than a rainy day stuck inside, for example. While automatic settings are already commonplace,