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A comment on Ask HN: 2 karma minimum to lock out spam bots.

Re:Ask HN: 2 karma minimum to lock out spam bots by rythie on Saturday April 25, 2009 @01:18PM (#579057)
There is an article on slate.com about CAPTCHAs http://www.slate.com/id/2216837/ (submitted here: http://news.ycombinator.com/item?id=579051 )
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