<http://schema.org/description>
"Over the last few months, the Chrome OS notification center was ported to Chromium and then to Chrome Canary, but the feature was limited to just Windows. Now it looks like the first ..."^^<http://www.w3.org/2001/XMLSchema#string>
<http://thenextweb.com/google/2013/05/07/google-adds-notification-center-to-chromium-for-mac-in-preparation-for-porting-google-now-to-os-x/>