This is the process of manipulating page rank flow in a webpage by controlling link juice. This process makes use of nofollow links to increase traffic. This process has since become obsolete due to updates by Google.
Sean Si is a Filipino motivational speaker and a Leadership Speaker in the Philippines. He is the head honcho and editor-in-chief of SEO Hacker. He does SEO Services for companies in the Philippines and Abroad. Connect with him at Facebook, LinkedIn or Twitter. Check out his new project, Aquascape Philippines