1script - 4:38 pm on Jun 2, 2013 (gmt 0)
@hitchhiker: kudos for getting a response from JohnMu. I'm sorry to be a party pooper here but I've done the exact thing he suggested - no-indexing of all pages with less than stellar content quality parameters (amount of responses and other visitor engagement the UGC has generated and the overall length of content being the primary characteristics in my case). I've done it almost immediately after the Nov 17th drop (around the beginning of December) on multiple sites and NONE had exhibited any signs of recovery yet. There has been a slight uptick around Penguin 2.0 time but I have to assume that was because some of the competitors have been negatively affected. So, it's not my recovery, it's just the competitors' troubles. Perhaps temporary, we'll see.
So, yes, what JohnMu had said did make sense but the page quality issues have been identified in threads in this very forum within two weeks after Nov 17th and yet even if fixed, there has been no recovery 6 months since.
Additionally, I don't get why this Nov 17th update has not been numbered / cataloged as a Panda run. It definitely bears all signs of Panda (pardon the pun). It's not Panda #21 (too late) and not #22 (too early) and yet it affected quite a few sites, all of them pretty large if I understand the situation correctly. Shall we just call it Panda #21.5 for clarity?