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PAST PRESENCE HINTS

  • US 20070291859A1
  • Filed: 06/15/2006
  • Published: 12/20/2007
  • Est. Priority Date: 06/15/2006
  • Status: Active Grant
First Claim
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1. A method of determining presence of a principal on one or more devices or communication channels, the method comprising:

  • determining a presence of a principal; and

    storing presence information related to the indication of the presence of the principal.

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