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THANK YOU for fighting this fight. I hope the responses here might add some empirical weight to your arguments — some people apparently do care about this.

And I believe you on how hard the reliability/durability challenges must be in engineering these things — I've seen what the kids do to them.

BTW, I think the mechanisms themselves are no small part of the interest; kids don't just get to see whatever phenomenon is being demonstrated by the device, they get to poke at the thing that does it and try to figure out how it works, and that's a lot of fun for a curious kid; there are layers there.

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> A lot of those museums have knee jerk reactioned the opposite direction to touchscreen exhibits, only to see their ticket sales slowly drop.

According to what you've written here something close to 100% of those touchscreen exhibits should be broken. Are they?

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I think they say that because screens are really easy to make bomb proof. You just lock them in a big metal case. Even more points if you interact with them through Kinect because you can now make the layer of hardened glass in front of them a full centimeter thick.
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