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A comment on Visualizing Pi (π). Parent comment

Re:Visualizing Pi (π) by allenbrunson on Saturday September 26, 2009 @05:46PM (#846132)
for me, the comment i'm replying to shows a red dot, just to the right of the up/down arrows. i've seen a couple of other comments with such a dot. anybody know what it means?
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Re:Visualizing Pi (π) by chriskelley on Saturday September 26, 2009 @08:45PM (#846326)
It means the comment has reached the "good" threshold and has 5+ upvotes. See: http://news.ycombinator.com/item?id=846123
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Re:Visualizing Pi (π) by superkarn on Saturday September 26, 2009 @08:44PM (#846325)
pg's experiement http://news.ycombinator.com/item?id=844979
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