<http://schema.org/alternativeHeadline>
"Sold out: What you\u2019ll be missing if you didn\u2019t buy tickets for London Web Summit in time"^^<http://www.w3.org/2001/XMLSchema#string>
<http://thenextweb.com/events/2012/03/16/sold-out-what-youll-be-missing-if-you-didnt-buy-tickets-for-london-web-summit-in-time/>