We can say that the update will be on Google Core Algorithm. From past few weeks, search results most ticklish. Behavior of search results tells us the story behind the engine and almost all major webmasters noticed that. Google clarified that it is not about Google Penguin but it is about core algorithm rankings.
Google Penguin Latest Update
Google Penguin is not a bird! Actually, it’s ‘Google Algorithm’ and watching the 'Blacky- Hat SEO' web pages. We all know Google Penguin is a great controller of Web Pages those are practising Black Hat SEO and lowering the ranking of the same.