Google is rolling out our Panda 4.0 update starting today.
Every night, millions of players sit down to play the addictive, massively multiplayer online game called "Email."
Penguin 2.1 launching today. Affects ~1% of searches to a noticeable degree. More info on Penguin: googlewebmastercentral.blogspot.com/2012/04/anothe…
New blog post: Penguin 2.0 rolled out today goo.gl/fb/U7llH