Google, Bing and Yahoo! have recently started http://schema.org/ http://schema.org/ a shared markup vocabulary based on microformats. If some of your data can

Google, Bing and Yahoo! have recently started http://schema.org/ http://schema.org/ a shared markup vocabulary based on microformats. If some of your data can fit in one of those formats you could benefit from a enhanced presentation in the search engine results pages. Example: http://schema.org/Recipe http://schema.org/Recipe — google "spicy pork recipe", I see some results with photos, calories, etc.