Microsoft plans to add multi-touch interface to Windows 7. Ballmer says it will come in late 2009. Julie Larson-Green demos the Multi-touch technology, painting with several fingers at the same time to show how it can process not just touch, but multiple simultaneous input.
“It’s much faster to do certain tasks than using a mouse,” Like rotating photos by pinching and rotating, much like Microsoft’s surface or Apple’s iPhone.
Microsoft had previously hinted that the touch gestures would find their way into Windows. In an interesting twist though, the new technology will work with existing touch screens, Microsoft said. They showed it running on an existing Dell laptop.
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source:read