Camera system to track eye movements of shoppers

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Philips applied for a patent of a camera system that makes note of what shoppers look at in window displays.
Using a set of video cameras and eye tracking software the system will be able to tell what someone looking at a window display has been staring at the longest, and will then provide more detailed information about the product via a passive or even interactive video display in hopes it will push them towards making a purchase decision.
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