In 2007, Google Announced a campaign in opposition to compensated one-way links that transfer PageRank.[23] On June 15, 2009, Google disclosed that they had taken actions to mitigate the consequences of PageRank sculpting by use with the nofollow attribute on one-way links. Matt Cutts, a nicely-identified application engineer at Google, https://www.instagram.com/p/C3pvguZLJBH