Schema.org

If someone told you that there was a quick and easy way that many of you could improve your SERP CTR for minimal effort, you’d all stop in your tracks and give them full attention. Yet, Schema.org and rich snippets are still horribly under-utilized.

Since Google (and Bing!) officially introduced

Read the complete story: http://feedproxy.google.com/~r/seomoz/~3/MiH1vAxgzoo/schema-examples