<http://schema.org/description>
"Gmail is the best application website i ever seen. Simple implementation, Super Ajax, Cute Chatting, Status Messages, Fast Mail Checking, Live updating and its features are endless as my wordpress database wont withstand when you type: www.gmail.com, the..."^^<http://www.w3.org/2001/XMLSchema#string>
<http://blog.sajithmr.me/gmail-architecture/>