Google Panda 4.0 It would be Major Algorithm update unlike data refreshes which we hear normally. Google Designed Panda 4.0 update to prevent sites with low quality or Stolen and Spun contents from getting top rankings in Google search results.
Why Google has to made changes to Panda Algorithm?
Answer is Simple because Google must have identified that there are many sites and webmasters are involved in unethical SEO Techniques. However it is expected that Panda 4.0 will be gentler for some small businesses like Services and eCommerce sites and might hurt local business websites.
You can contact me for Panda 4.0 or Penguin Penalty Removal.