<http://schema.org/headline>
"\u039D\u03AD\u03B5\u03C2 \u03B1\u03BB\u03BB\u03B1\u03B3\u03AD\u03C2 \u03C3\u03C4\u03BF Facebook  "^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.otherside.gr/2010/10/nees-allages-facebook/>