<http://schema.org/alternativeHeadline>
"Twitter updates iOS, Android apps with photo sharing via DM and swipe to change timelines"^^<http://www.w3.org/2001/XMLSchema#string>
<http://thenextweb.com/twitter/2013/12/10/twitter-updates-ios-app-photo-sharing-via-dm-swipe-change-timelines/>