<http://schema.org/description>
"David Glazer, a Google software engineer, posted a picture of a cake he had the pleasure of eating the other day.  The cake is to celebrate the launch of the Sign In With Google+ button.  Of course, I"^^<http://www.w3.org/2001/XMLSchema#string>
<https://www.seroundtable.com/photos/sign-in-with-google-cake-16441.html>