HANDS ARE WONDERFULLY EXPRESSIVE. We talk with our hands all the time: they ask questions, show intent, command attention, reveal emotion. A backhanded wave dismisses an idea; a jab of the finger accuses; a thumbs-up enthuses. If hands are excellent at communicating with people, they’re even more effective at communicating with objects. From the delicate operation of tying a shoelace to the blunt-force strength of opening a pickle jar, our hands and fingers constantly improvise in grip, pressure, position, and sensitivity.
How can we bring similar expression to manipulating digital information? Touchscreens put data literally in the user’s ...
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