In 2007, Google Declared a campaign against paid inbound links that transfer PageRank.[23] On June 15, 2009, Google disclosed that they had taken steps to mitigate the effects of PageRank sculpting by use on the nofollow attribute on inbound links. Matt Cutts, a perfectly-identified software engineer at Google, declared that https://www.instagram.com/p/C3pvguZLJBH