“When a sufficiently accurate positioning of ads, the ad is no longer advertising, but important information.” Said an advertising industry.

But consumers are not easy to buy it, they think some targeted advertisement would result in a very bad influence life. Last year, the Texas educational software designer Preston over the Internet to find the content on uterine disorders. Soon, she began to notice that no matter what your go to site, will see a lot of ads in this area. Now, she has clearly know that they did not actually sick, but the ad was overwhelming from. She said that this is simply her “physically and mentally fatigued.”

Other users are very worried about the safety of privacy disclosure.

In this regard, the tracking company, said the information received was anonymous because the identity of Internet users is a number assigned to their computer to be identified, rather than specific names, it is not related to personal privacy. For example, Lotame company said they did not know Betty that Internet users real name, but marked by a number to understand the behavior and preferences of their characteristics. If someone does not want to be tracked, but also their own monitoring systems from Lotame removed out.

In accordance with U.S. law, when a user visits a Web site, the computer is implanted in the most simple cookies are legitimate. However, for those more sophisticated tracking technology, there is no precedent.

“Internet access to consumer data tracking technology should be a relatively new trend, the data brokers selling the user through the analysis of collated information, there is no law expressly provides that actions are illegal, nor can it simply identified as violation of user privacy. “Capital Normal University Law School Professor Shi Guoliang said:” The Internet tracking technology that means no problem in itself, the key is to look at data brokers who sell the data. If the customer information used by criminals , it will trigger a series of social problems. strengthen the monitoring of information use is necessary. ”