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With assistance from a salesman, she tries a number of bikes, and eventually narrows down her options to several different brands and models. She likes all of them, but she can’t decide. She Sally would like a very quick and efficient way of looking up information about the bikes she is interested in, comparing specifics about the bikes, and a getting a decent recommendation for which bike to buy. Sally does not want to go home to her computer and search; she would like the opportunity to try out the bikes as well. She takes out her iPhone and opens Schnap It!
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And then quickly identifies where in the picture the bike is ( by using gestures to draw a bounding rectangle, ellipse, circle, or freehand hull. Specifically, this will be a touch and drag interface specifying exactly where the principal points of the shape should be in the picture taken.
All her pictures are aggregated into a grid, where she can select multiple to review at the same time:
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