<http://schema.org/description>
"Sometimes it's the small things in life that make a difference. Along those lines, Twitter has begun showing emoji characters -- the small, cartoon-like figures most often used when ..."^^<http://www.w3.org/2001/XMLSchema#string>
<http://thenextweb.com/twitter/2014/04/02/boxes-twitter-com-now-supports-emoji-characters/>