Google has some informations on microformats for webmasters, it seems that microformats, microdata and RDFa are used to generate extra information displayed on

Google has some informations on microformats for webmasters, it seems that microformats, microdata and RDFa are used to generate extra information displayed on search result pages: - About microformats http://www.google.com/support/webmasters/bin/answer.py?hl=en&answer=146897 http://www.google.com/support/webmasters/bin/answer.py?hl=en... - Rich snippets and structured markup http://www.google.com/support/webmasters/bin/topic.py?topic=21997 http://www.google.com/support/webmasters/bin/topic.py?topic=...