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“大数据精准营销”你们讨厌么？
source link: https://www.v2ex.com/t/658547
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程序员 - @freeup - 应该大家都知道，比如在某鱼，某宝，等电商平台上搜索过某些东西，然后系统就会给你疯狂推送各种相关的东西，还有很多公司，很多产品数据共享，比如我在浏览器上搜索过，然后打开其他产品会给我推送相关东西其实
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