Google’s Matt Cutts: We Can Improve Our Algorithms For Authorities On Topics

In an interesting video released by Matt Cutts, Google’s head of webspam, Matt answers the question on how Google separates the concept of popularity from authority.The truth is, he answered that question quickly by saying popularity and authority are two different things. The example he gave was that porn sites are often way more popular than government or organization sites but government sites are often more authoritative than porn sites. So the two concepts are different.

Source:http://searchengineland.com/googles-matt-cutts-can-improve-algorithms-authorities-topics-188277