July 25, 2012; Google has rolled out the Panda algorithm update 3.9 on Today. The last Google Panda update 3.8 was on June 25, 2012, exactly a month ago. Panda algorithm update was introduced in Feb 24, 2011 for filtering low quality or thin content from Google search results. This update will affect nearly 1% of search results according to Google. Past Panda Updates: Panda 3.8 on June 25th Panda 3.7 on June 9th Panda 3.6 on April 27th Panda 3.5 on April 19th Panda 3.4 on March 23rd Panda 3.3 on about February 26th Panda 3.2 on about January 15th Panda 3.1 on November 18th Panda 2.5.3 on October 19/20th Panda 2.5.2 on October 13th Panda 2.5.1 on October 9th Panda 2.5 on September 28th Panda 2.4 in August Panda 2.3 on around July 22nd. Panda 2.2 on June 18th or so. Panda 2.1 on May 9th or so. Panda 2.0 on April 11th or so. Panda 1.0 on February 24th