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A comment on Welcome to HN: A refresher course on how to disagree... (2008). Parent comment

Re:Welcome to HN: A refresher course on how to disagree... ... by kburn on Wednesday December 30, 2009 @11:35PM (#1023819)
This seems like a cool idea, just not sure how it could be implemented. Any examples of something like this you know of?
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Re:Welcome to HN: A refresher course on how to disagree... ... by charliepark on Thursday December 31, 2009 @09:15PM (#1025355)
Closest example I can think of is Amazon's "did you find this review useful" button. You can suss out — somewhat — how helpful a review is.
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