<http://schema.org/headline>
"Celebrate National Coffee Day Sep. 29 with the Dunkin' Donuts app and get a free small coffee"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.androidcentral.com/celebrate-national-coffee-day-sep-29-dunkin-donuts-app-and-get-free-small-coffee>