<http://schema.org/description>
"Richard Hay posted a picture on Google+ of a weird contraption boxed up.  He said it is a Google Rube Goldberg.  What does that come from? Well, in 2010, Google had a July 4th Doodle around the theme "^^<http://www.w3.org/2001/XMLSchema#string>
<https://www.seroundtable.com/photos/google-rube-goldberg-15935.html>