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aristotle - 1:07 pm on Nov 12, 2012 (gmt 0)
Is anyone seeing any positive results from using the tool?
Probably won't see any effects until the next Penguin update or refresh, if then.
One thing that MIGHT happen before the next update is that some of the disavowed backlinks could disappear from the backlink lists in Webmaster Tools. But this is only a possibility, and in fact it might never happen at all, even if the links no longer have any effect because of being disavowed..