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    I find the idea nice, but I do not understand what it does exactly. Ok the projector is able to recognise a piece of paper and print the output of the code on top of. But do you really need to print the code on the paper? It seems not right?

    What can you do else with it?

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      What can you do else with it?

      Show it off to the internet to show how clever you are?

      This is one of those cleverness for cleverness’ sake.

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        Art for art’s sake. Ok why not.