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"Shooting panoramic photos with a mobile phone can be difficult. Often times it requires doing all the work in a software app when you get back from wherever you are, as well as trying to make sure that the phone's camera does not change its white balance or exposure between shots."

DeweyDigger.com is a visual search portal where you can "Explore knowledge via the Dewey Decimal Classification; just clickety-click."  On the splash page you are presented with the main Dewey Numbers and an ever-changing interactive panorama showing images from these listings.  Next you need to click on an image to access a cloud tag of terms in that call number.  From there you can select a tag and then select a search or research tool to locate information.