According to SearchEngineLand, Google changes the search algorithm to bring a lot of sense for those who are doing SEO for blogs / her website. As if understanding the provisions of Google, you absolutely can increase rankings on search results tables.
The most notable point in the Google Penguin 4.0 is that it will be updated in real time. That is the Google site is marked "fraud" will no longer be pushed down to the end of the bottom anymore. Instead, Google will give them the right to be shown again if the "repentant" and "subject to change."
Thus, it is understandable, Penguin 4.0 will only affect that link directly to the specific violations and are adjusted based search ranking signal spam, rather than affecting the entire site.
Google's new algorithm may imply that it is aimed at linking the spam on forums, websites backlink sale, exchange backlink rampant.