<http://schema.org/description>
"Apparently Google just can't get community testing and feedback for Chrome fast enough, so it has decided to roll out yet another way to access experimental builds of Chrome, called ..."^^<http://www.w3.org/2001/XMLSchema#string>
<http://thenextweb.com/google/2010/08/02/google-speeds-up-the-chrome-testing-and-feedback-loop/>