<http://schema.org/alternativeHeadline>
"Check out the awesome \u2018pop-up\u2019 GooglePlex at the DNC, feat. shipping containers"^^<http://www.w3.org/2001/XMLSchema#string>
<http://thenextweb.com/google/2012/09/04/check-awesome-pop-up-googleplex-dnc-feat-shipping-containers/>