Giz Explains: The Magic Behind Touchscreens

Touchscreens. They're everywhere, as if electronics makers aren't cool unless their phones or media players have them, and soon that will be true for laptops as well. Touchscreens aren't going to completely replace the mouse and keyboard in the next year or two, but we're hurtling toward a future where they're the dominant way we interact with devices. The catch is that "touchscreen" can describe a few very different technologies that all perform a similar function. Here's a breakdown of the most popular techniques for making touchscreen magic happen—and the crazy new techniques that will succumb to your caresses in years to come.

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