Minority report GUI realized

Then Han began his presentation. His fingertips splayed, he placed them on the cobalt blue 36-inch-wide display before him and traced playful, wavy lines that were projected onto a giant screen at his back. He conjured up a lava lamp and sculpted floating blobs that changed color and shape based on how hard he pressed. ("Google should have something like this in their lobby," he joked.) With the crowd beginning to stir, he called up some vacation photos, manipulating them on the monitor as if they were actual prints on a tabletop. He expanded and shrank each image by pulling his two index fingers apart or bringing them together. A few oohs and aahs bubbled up from the floor.

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