For instance, while the Instinct is a touch-screen device, it lacks the iPhone's "multi-touch" system, which includes features that recognize multiple fingers and gestures, and allows actions like shrinking a photo by "pinching" it.

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Float4 Interactive ( www.float4.com), an agency from Quebec, was showing on the trade show floor how they can turn any large screen into a multi-touch interactive system.

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Adaptive AIOs are high-performance computers with large touch-enabled screens that can be used as a multi-user touch gaming system, or as an interactive art creation device, as well as for many other shared, in-person experiences.

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