Google waited a few weeks into 2013 to issue its first Panda refresh of the year, but the update has arrived, according to a Tweet posted by Google. The Panda algorithm sweeps through web content in an effort to present the best possible search results to users, getting rid of dicey, low-grade content. The new update will affect 1.2 percent of English queries, reported Google.

Information here:
http://www.brafton.com/news/google-r...n-the-new-year