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A comment on Amazon Coins. Parent comment

Re:Amazon Coins by thwarted on Friday November 22, 2013 @11:22AM (#6781693)
Amazon affiliate links have a URL component (in the path or GET variables) that match the glob "tag=*-20" (supposedly it could end with numbers other than 20 but I've never seen anything other than 20).
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Re:Amazon Coins by bitemix on Friday November 22, 2013 @05:42PM (#6784233)
US is -20. Other countries have other numbers.
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