Google rolled out its panda algorithm refresh 3.9 tonight. Google posted this news a few minute ago on google twitter. It affect 1% search results. Before this google released google panda update 3.8 on June 25.
New data refresh of Panda starts rolling out tonight. ~1% of search results change enough to notice. More context: goo.gl/huekf— A Googler (@google) July 24, 2012
http://searchenginetweaks.blogspot.in/2012/06/good-panda-38-update-is-live-now.html http://searchengineland.com/official-google-panda-update-version-3-7-on-june-8th-124281 http://searchengineland.com/panda-update-3-6-on-april-27th-120227