How To Implement Google Authorship Markup – What is Rel Author & Rel Me?

Google is piloting the display of author information in search results to help
users discover great content. Google.
We’ve implemented Google Authorship Markup on the Hobo blog so my
profile pic appears in Google search snippets.
This helps draw attention to your search listing in Google, and may increase
click-through rate for your listing. Many expect Authorship reputation to play a
role in rankings in the near future. Google has released videos to help you get
your face in Google serps.  If you have a Google profile (or Google Plus) you
can implement these so that you can get a more eye-catching serp snippet in
Google results.
http://www.hobo-web.co.uk/how-to-implement-google-authorship-markup/
Rich Snippets
Rich Snippets in Google enhance your search listing in Google search engine
results pages. You can include reviews of your products or services, for
instance. Rich Snippets help draw attention to your listing in serps. You’ve no
doubt seen yellow stars in Google natural results listings, for instance.