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Paco Underhill wrote in his "Why We Buy?" that dressing rooms are probably the most important part of a store because that's where most decisions are made, and yet most rooms do nothing to encourage a purchase -- they are dark, small and uncomfortable.
Now check this out. Hong Kong researchers developed a smart fitting room (full name:
"An intelligent Simulator for Cross-selling & Up-selling using Smart Fitting Room & Smart Dressing Mirror") that uses RFID tags to identify the goods in front of the mirror and delivers recommendations through a touch-screen LCD monitor. (You can also display content directly on mirrors). Context advertising is not limited to online space.
-- SFL.org via Cool Business Ideas