The following is an example of how Google Authorship changes your website's search engine results page listings:
Note that a link to the relevant Google Plus profile is added below the page's URL, and a photograph linked to the Google Plus account is displayed next to the listing too. This recipe will show you how to enable Google Authorship on your Drupal Commerce website.
Tip
Google Authorship enables you to enhance your search engine listings by providing Google with more information about the author of your website. For more information on Google Authorship, see https://plus.google.com/authorship.
You will need to create a Google Plus account, and register for authorship. Follow the steps Google provided online to verify your account (https://plus.google.com/authorship).
Tip
For more reading on Google Authorship, see this blog post: http://www.seomoz.org/blog/read-but-learn-by-doing-an-approach-to-the-analysis-of...