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IP.com Disclosure Number: IPCOM000014535D
Original Publication Date: 2000-Dec-01
Included in the Prior Art Database: 2003-Jun-19

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Disclosed is a method to improve internet privacy by rendering HTTP cookies useless. A 'cookie' is a data object containing application-generated arbitrary content that is carried in the HTTP header. A cookie is generated by the server application and sent to the client. Cookies are categorized as temporary or permanent. A client returns a temporary cookie on its next post without storing it locally. A client is supposed to store a permanent cookie and return it upon request by the application, which could be during a future session. Some browsers offer the user several options with regard to cookies. Netscape (v5) offers the binary choice of accepting cookies or not. Microsoft Internet Explorer v5 offers fine-grained control: all cookies, no cookies from anybody, no cookies from a list of restricted sites, or prompting for each cookie. Cookies can be put to many uses. Some uses benefit users and some benefit advertisers. Here are a few examples: