Moving toward computing at the speed of thought

The first computers cost millions of dollars and were locked inside rooms equipped with special electrical circuits and air conditioning. The only people who could use them had been trained to write programs in that specific computer's language. Today, gesture-based interactions, using multitouch pads and touchscreens, and exploration of virtual 3-D spaces allow us to interact with digital devices in ways very similar to how we interact with physical objects.

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