STA
Mechanisms for maintaining a stateful session with a user or automatically recognizing users who have visited a particular site or accessed particular content previously -- such as HTTP cookies.
PRE
Data about an individual's likes and dislikes -- such as favorite color or musical tastes.
COM
Information about the computer system that the individual is using to access the network -- such as the IP number, domain name, browser type or operating system.
NAV
Data passively generated by browsing the Web site -- such as which pages are visited, and how long users stay on each page.
OTC
Other types of data not captured by the above definitions.
NOI
Web Site does not collected identified data.
DSP
The privacy policy contains DISPUTES elements.
COR
Errors or wrongful actions arising in connection with the privacy policy will be remedied by the service.
PS,这里说的跨域主要是设置cookie的情况，如果是跨域读取cookie，要保证在对应设置cookie的时候设置了P3P，否则在读取的事情IE会屏蔽跨域cookie。
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