<http://schema.org/description>
"Spotify has introduced a neat little Web app today called Serendipity, which visualises simultaneous listening around the world.\r\n\r\nInteractive artist Kyle McDonald has been serving ..."^^<http://www.w3.org/2001/XMLSchema#string>
<http://thenextweb.com/apps/2014/08/21/serendipity-spotify-reveals-whenever-two-people-around-world-listen-song/>