AIY Vision Kit

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Working on a group project for college, utilizing a AIY Vision kit and implementing some variation of machine learning with it. The initial idea was to use the camera to identify playing cards and sorting them into groups, like different suits, odd/even, face and non face, but after meeting with the professor in charge, was informed that this idea of identifying and sorting is not really marketable. I tried explaining that sorting in the different ways could be used in many different applications and businesses, but still was told it was not really marketable. I was wondering if maybe there was a way to tweak it a bit to make it so, or if maybe turning it into an API would help. Any ideas and/or opinions on the project would be very helpful. Thank you very much.