By Mike Arnesen, SEOMOZ:
What AuthorRank Is
If you’re like me and you have your finger on Google’s pulse on a daily basis, you’ve undoubtedly heard of AuthorRank. However, I honestly don’t think it’s received its due attention and if you were AFK for a few days or don’t have the option to be “jacked into the feed”, you may have missed it entirely.
Over seven years ago (in August of 2005), Google filed a patent for “Agent Rank” which was later masterfully decoded by Bill Slawski. In the patent, Googler David Minogue references ranking “agents” and using the reception of the content they create and their interactions as a factor in determining their rank. The patent suggests that more well-received and popular “agents” could have their associated content rank higher than unsigned content or the content of other less-authoritative “agents”.
Nothing much happened with Agent Rank after that because the idea of ranking “agents” is dependent on being able to identify them in the first place… Read more