The rollout of Bing Maps Preview for Windows 8 last week saw one step taken in the right direction of developing a digital replica of the planet using an immersive 3D method, so that one is able to explore the vast world without having to leave the comfort of the living room. From there, the inclusion of Photosynth would be able to provide just about anyone with access to powerful tools in order to capture their own favorite spots worldwide. Just how does Photosynth work? It allows you to upload a bunch of photos to the cloud service, where the technology will be on the lookout for points known as “features” in successive photos which appear to be the same object. Should it discover majority of features that happen in the same photo set, such information will be used in bundle adjustment, which is a standard technique in photogrammetry, to figure out just where in 3D space each feature is. Once done, 3D shapes will be generated based on the feature points, how neat is that? [Press Release]