SEO Tips : Must not be ignored
Google Rich Snippets is a tool to personalize your website searches to look different from others. It has several features which includes showing the author’s image along with the results (Google Authorship) and showing stars for a review post. There is also special Google search results for recipes, events and persons. Google is continuously improving its Rich Snippets feature and will soon bring new features.
You can test online how a search result will actually look in google with Google Rich Snippets Testing Tool.
Google Rich Snippets Guide : For Excellent SEO