Google Penguin #4 has been updated on 22-May-13 and Google called it as a "New Generation Penguin". 2.3% English queries have been affected by this update by Google :- What the corporation is asking Penguin 2.0 — hit previous night (23-May-2013), and fewer than 1 day later we’re already obtaining a primary chance to view at what sites could be thought of “losers” in terms of Google Search.
In a shell, the list includes: nude, sex or porn sites, game sites and massive brands like Dish.com, the non-governmental organization, CheapOair and educational Testing Service (yes, ETS, the corporate that produces lots of these standardized tests you almost certainly took as a child).
List of the 25 biggest websites who effected by Google Penguin 2.0:-