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That is a really great point! I was really only appalled by the specific application of audio feedback used in the demo. And as such I blatantly discarded the whole idea of feedback systems. But when I think about it, that area is huge. I really want one of those sensor plates with an arduino interface!

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> And as such I blatantly discarded the whole idea of feedback systems.

That happens far too often. You have to disconnect yourself from only looking at one element though. Generally, you have an interaction taking place in the form of Event > Action. Something occurs, and then something happens. In this case, the method of eating is the event. The sound happens to be the action. However, you can always replace the Action with anything else (you can also replace the event with anything else.

Basically, this is how you should approach demos. Not as the end, but as the possibilities.

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