<http://schema.org/headline>
"Groupon Buys Social Shopping Platform Mertado To Bolster Groupon&amp;nbsp;Goods"^^<http://www.w3.org/2001/XMLSchema#string>
<https://techcrunch.com/2012/01/20/groupon-buys-social-shopping-platform-mertado-to-bolster-groupon-goods/>