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多数网上冲浪者都曾遇到这种情况:屏幕上突然弹出一个广告,令他们百思不得其解:“他们怎么会知道这是我想要的?”这看似神奇,甚至有点毛骨悚然——被偷窥了?看看这个例子。一位网购者在某零售网站浏览一双
Most Internet surfers have encountered this situation: a sudden pop-up on the screen an ad, so they puzzled: “How do they know this is what I want? ” This seemingly magical, or even a little creepy - Peeping out? Take a look at this example. An online shopper browses a pair of retail websites