<http://schema.org/headline>
"Yik Yak, l'appli anonyme qui veut concurrencer Twitter, l&amp;egrave;ve 62 millions de dollars"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.journaldunet.com/web-tech/start-up/yik-yak-levee-62-millions-dollars-1114.shtml>