SEO 101: The Importance of Adding Structured Snippets by @getlinkspro
Alternatively, you may be able to use Google’s data highlighter to outline information more easily. Google’s highlighter tool allows webmasters to add more versatile information to their site listings with no need for them to get down and dirty with code. This data highlighter is available through Webmaster Tools and lets users use a point-and-click solution to highlight the information they want outline for Google. This is pretty much a fool-proof tool for adding structured data to your site, but will only work with certain types of data.