Matt Cutts announced yesterday May 22nd that Penguin 2.0 is now live, affecting roughly 2.3% of English-US queries. Penguin 2.0 is also worldwide, with the scope of affected websites varying by language.
Cutts made the announcement through his blog, as well as on This Week In Google.
This is the fourth update of Penguin, including the initial release and two subsequent data refreshes.
The initial release affected ~3.1% of queries, with the two data refreshes affecting less than 0.1% and ~0.3%, respectively.





