<http://schema.org/description>
"Sometimes you get an idea for a really great post to share on Google+ and it's the middle of the night.  There's nobody up that you know of, but not writing the post isn't an option. ..."^^<http://www.w3.org/2001/XMLSchema#string>
<http://thenextweb.com/apps/2012/05/07/this-chrome-extension-lets-you-schedule-google-posts-for-later/>