I got this from this site. It's a pretty good explanation of different types of touch screens/what they are good for/their durability. I think the graphics are as good as they can be for a not-so-graphic topic. Since I already know how touch screens work, this makes sense to me. I'm not sure that a touch screen novice would understand this, though.
Excellent example! I'm not sure how much explanation touching a screen needs in this day and age, but hey! You never know!
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