The new show begins today! Penguin 2.1 is released, affecting about ~1% of the queries to a noticeable degree, according to Matt Cutts. Penguin update reduces ranking for sites that are involved in webspam. Excessive SEO, manual link building, involvement in link networks etc are part of web spam. Have you been affected? Watch the traffic next 2 days and share your experience, if you are significantly affected.