Using the latest computer vision technology, the Photosynth app makes capturing panoramas fun and engaging, while creating sharp, high-resolution results. With the app, you can process, view, and store your panoramas directly on your device. Then, share them in a variety of ways, including to Facebook as images or as interactive panoramas (hosted for free) on Photosynth.net.
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http://www.bing.com/community/site_blogs/b/search/archive/2011/04/18/capture-panoramas-anywhere-you-go-with-the-photosynth-app-and-share-on-bing.aspx