This is the "accurate advertisement" of the legendary "Cloud Big Data". Any behavior you have on JD.COM (including historical shopping behavior) will be recorded by the cloud, and your behavior will be distinguished. Coupled with the registration information you paid, Dayun Data will combine these to analyze you: "Where do you live? How many people are there in your family? Do you have a wife and children? What is your lover's occupation? What do you want to do now? What do you want to buy? What's the use of buying it Whose home is it? How old is the son? Should we go to school? How is your repayment ability now? What occupation? Do you have any hobbies? "

You have nothing to hide in front of big data. As long as you go online, no matter which website you go to, the accurate advertisement of big data in the cloud will follow you like a follower, unless you actively set the settings such as sending a "Do not follow" request with browsing traffic in the browser, but such settings are also invalid, and the cloud will still collect data through data such as browser cookie.

For example, JD.COM Dayun Data Company got a glimpse of your spending power and your age from your information in JD.COM and when you paid, and found that your son was just born. You can see the milk powder advertisements of JD.COM, Taobao Tmall, Netease News, Sina, Headline and other client apps. No matter where you go, you have browsed or bought this milk powder in JD.COM. Not only that, you have also browsed other milk powder brands. Even your behavior on other websites, big data in the cloud is summarized by search. As long as you open the corresponding app or client, the big data cloud will immediately project your preferences to other websites. Big data sometimes goes its own way, and sometimes it is combined into one! Everything is to empty our pockets!