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Gathering data concerning publication usage

  • US 20050273802A1
  • Filed: 03/18/2005
  • Published: 12/08/2005
  • Est. Priority Date: 03/19/2004
  • Status: Active Grant
First Claim
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1. A method of gathering data concerning usage of a publication and usage of media, comprising:

  • producing first data in a portable monitor carried on the person of a respondent representing usage of a publication; and

    producing second data in the portable monitor representing usage of media.

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  • 14 Assignments
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