The winner of Post of the Month for September 2007 is MisterS. His winning post is: response on accuracy -- MisterS -- 11 September 07, 3:54 p.m. on BJ21's Las Vegas page. I have taken the liberty of making the title more descriptive: "Accuracy of Facial-Recognition Software." Though that post alone was the winner, I have appended the contents of MisterS's answers to follow-up questions in the same thread.
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Every month green chippers select a Post of the Month from among all the messages posted to the green-chip pages during the month. The winner receives $100 and the winning post is preserved in a special section of the Archives dedicated to Posts of the Month.