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E-marker dot promotion

  • US 20030236711A1
  • Filed: 06/25/2002
  • Published: 12/25/2003
  • Est. Priority Date: 06/25/2002
  • Status: Abandoned Application
First Claim
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1. A method, comprising:

  • transmitting one or more data marks; and

    receiving one or more promotion information corresponding to said one or more data marks.

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