The document discusses a new smartphone app called PhotoScan that allows users to digitize photos and documents using just a smartphone camera. The app uses advanced computer vision algorithms to detect the edges of each photo and straighten any skewed images. It then analyzes the visual content and extracts text from documents before merging the photos into high quality digital files that can be shared or edited further.

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11. http://www.youtube.com/watch?v=c4Bt0KEu2E
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