Abolishing privacy is the next big trend in American shop-ping, industry types told Lexington recently. Store bosses dream of identifying shoppers by their smartphones or with cameras and facial-recognition software. Then, by rummaging through a customer's online history, a firm might learn, for instance, that she had looked for tennis shoes the night before, so needs to see sales pitches for sneakers flash up on her phone or on in-store digital screens.
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