Ok so this looks like a very helpful site. To quote the site description "This site provides a collection of schemas, i.e., html tags, that webmasters can use to markup their pages in ways recognized by major search providers. Search engines including Bing, Google and Yahoo! rely on this markup to improve the display of search results, making it easier for people to find the right web pages" This may be a bit above some of my current students, however it is a great idea and can help explain how search engines gather the data that is displayed during a search. I am going to forward this link to my librarian and see how we can collaborate together on a lesson to better teach internet search stratigies using Schema.org
Thanks to TechCrunch for pointing this out.