Google Launches Panda 4.0 – SEW.

Matt Cutts confirmed that Panda 4.0 began rolling out yesterday. SEO experts are still pondering what it effects and why. Cutts says it all about eliminating low quality sites from search results. Some Experts believe it may be correct some over harsh filtering on good site that have confusing navigation. If so we should see quality sites getting back into organic search results.