aristotle - 1:22 pm on Jul 30, 2012 (gmt 0)

I heard that Google does backlink data refreshes every 2 weeks but are looking to increase the speed of that, so if you have dodgy links and remove them, you should see a positive change as quickly as 2 weeks.

Are you talking about the Pemguin part of the algorithm? That's what the OP of this thread asked about?