Google's New Application: Rich Snippets
Rich snippets are an application developed by Google that aims to give more space to useful, page-specific information in search results. Information such as the number of comments on a page, product prices, and user ratings for pages allow users to get an idea before visiting the site. Rich snippets will provide you with an advantage in your SEO efforts.
Using the Rich Snippets Application
Although it is said that it does not affect rankings, it is a fact that it encourages users to visit your site by looking at their presence in search results. And if users come to your site instead of other results in search results, this will turn into an advantage for you. Comprehensive information about rich snippets and their usage is available on Google's relevant pages; you can examine them and integrate them into your site.