It's not often that we stumble upon classical music on the floor at SIGGRAPH, so the tune of Bach's Cantata 147 was reason enough to stop by Gocen's small table in the annual graphics trade show's Emerging Technologies hall. At first glance, the four Japanese men at the booth could have been doing anything on their MacBook Pros -- there wasn't a musical instrument in sight -- but upon closer inspection, they each appeared to be holding identical loupe-like devices, connected to each laptop via USB. Below each self-lit handheld reader were small stacks of sheet music, and it soon became clear that each of the men was very slowly moving their devices from side to side, playing a seemingly perfect rendition of "Jesu, Joy of Man's Desiring."
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