SEO and content marketing isn’t just about creating compelling content, but having it written from an authoritative author.
One way to showcase your authority within a specific niche or industry is by associating your author profile to every relevant piece of content you’ve ever written.
Google has provided an easy way to connect your content through your Google+ profile and benefit from that association.
Google filed a patent for Agent Rank, Trust worthy and popular have their content higher than that of less authoritative or credible agents.
This shows the photograph of the Author, link his or her google + profile, circles in which the author is present and link to the more search related to the author.