<http://schema.org/description>
" Layers.com has just launched a new way for users to share web content. According to their site,      Layers is allowing anyone to create over (on top of) existing websites. It's intuitive, ..."^^<http://www.w3.org/2001/XMLSchema#string>
<http://thenextweb.com/2009/06/11/layers-com-the-vertical-web-to-nowhere/>