How To Set Up Google Authorship On Your WordPress Site
This video covers linking your content to your Google+ account profile. This has taken on increased importance because of Google's habit of favoring anything associated with Google in their organic search results.
The video discusses adding your WordPress blog to your Google+ account. This is also known as Google Authorship. Google automatically inserts your profile picture from your Google+ account to the left of search results.
This not only usually results in a higher ranking for your content on Google but also in more clicks since having a face to associate with information is an important factor in getting your link clicked.