Let me give you an example. If you buy one of his wallets online, and then you enter the personal information of the shopping website, including identity, address and credit card number, these shoes are the basis for the number of illegal transactions in the gym card room in the grade examination and how much you have to pay to lose weight by opening a mobile phone. Happy baby's substitute teacher went to see the hot and sour powder. These data are usually confidential and only owned by the trading terminal. According to the user terminal agreement, shopping websites can use your information for promotion, but are not allowed to disclose it to third parties. Some companies in the United States have agreed to sell counterparty data, but it is still rare in China.
In addition to third-party data, it also includes IP address, portal, high-frequency keyword search and so on. These data are mainly collected through cookie, including BAT, Taobao's search engine and portal. These websites usually provide a third-party interface, so advertisers can collect these cookie through the data interface and turn them into user data.
At present, one of the challenges faced by Internet advertisers is to track user behavior in mobile applications, and there is no best solution yet. But compromise is to track your online content to your circle of friends and determine what you are interested in. For example, we have a button to forward to a circle of friends in Weibo or many websites, including cookie. The company said this button sold for a good price.
More importantly, we need to explain that the user records in the database are not recorded on the Internet as we thought. They are written on the blackboard. There seems to be an agent watching you 24 hours a day. The data company will classify your online records into standard templates according to a specific data model. This template has many parameters, which can be filtered according to the requirements of advertisers.