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RT @TechCrunch: Mall App Tracks Shoppers With Ultrasonic Device http://t.co/3Wyk9eBmO8 by @vickiho
April 19, 2013
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Mall App Tracks Shoppers With Ultrasonic Device
The white device here (pictured next to a phone for scale) is in the process of getting mounted on store walls in Singapore malls. When active, the device will emit an ultrasonic signal that an app can pick up, and will allow participating stores to broadcast deals and rewards to shoppers.