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Efficient, Peer-to-Peer Captcha-Based Verification and Demand Management for Online Services

  • US 20090260068A1
  • Filed: 04/14/2008
  • Published: 10/15/2009
  • Est. Priority Date: 04/14/2008
  • Status: Active Grant
First Claim
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5-1. The method of claim 1, wherein the verification comprises a human authentification.

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