Add rich snippets and structured data to your WordPress posts and get a higher click through rate on Google.
When writing a new post, beneath the content box, you will see a 'Rich Snippets' dropdown box. Click on it and select the microdata type that you are looking for.
At present, the plugin has only been developed with Reviews, Music and Events in mind. We are working on the further development of the plugin to include all types of rich snippets, but you'll need to give us a little time, as development is time consuming and expensive.
For more information checkout Google's description: http://support.google.com/webmasters/bin/answer.py?hl=en&answer=99170