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Method and system for non-repeating user identification in a communication system

  • US 7,900,245 B1
  • Filed: 10/15/2002
  • Issued: 03/01/2011
  • Est. Priority Date: 10/15/2002
  • Status: Active Grant
First Claim
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1. In a communication system comprising at least one content provider and a user, a method comprising:

  • conveying to the at least one content provider from an intermediary a plurality of user-identification tokens during a corresponding plurality of communications between the user and the at least one content provider,wherein, each user-identification token contains an embedded value indicative of the user but does not reveal the embedded value to the at least one content provider,wherein, each user-identification token is different, so that the plurality of user-identification tokens do not appear to the at least one content provider to identify a common user, andwherein, each user-identification token is usable by the at least one content provider as a key to access a user-specific resource so as to facilitate a respective communication from the at least one content provider to the user.

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