walkman - 7:24 pm on Jun 8, 2011 (gmt 0)
I thought it was just a (significant) change to the algorithm. I don't understand the concept of it being "run." I believe Matt said that if you made changes to your site, then they would be noticed the next time your site was crawled by googlebot and the index changes would take place as they normally do.
They said that initially but it's clearly a lie, 3.5 months later. Nothing we can do about it, but at least let's not fall for their spin. Assuming he's not lying again, he said that there's something that might bring you back, but it's probably mission impossible for average sites.
edit: dazzlindonna, the google support forums suggested to remove 'bad' pages etc as that would help. But Matt clearly said that on 'Panda iterations' or whatever he called them sites would come back.