Google last update about SEO

Can you tell me details about Google last update for SEO ?

regarding the last update of google for seo is based on the rule that most viewed and most commented site will be took place on the top

Google last update was related to Google Local Listing. Now Google showing their title with location based.

Top heavy is the google last Update…In this update google says you not only pro-met the adds which show on your site. By this you also prompt your site otherwise your site in go to the spam.