<http://schema.org/alternativeHeadline>
"When pigs fly: Rovio\u2019s new \u2018Bad Piggies\u2019 game arrives on Android, iOS and Mac"^^<http://www.w3.org/2001/XMLSchema#string>
<http://thenextweb.com/apps/2012/09/27/rovios-new-bad-piggies-game-arrives-google-play-mac/>