<http://schema.org/description>
"Twitter today announced two new mobile features for its Android and iOS apps: photo tagging and multiple photos in a tweet. You can download the new version now directly from Google ..."^^<http://www.w3.org/2001/XMLSchema#string>
<http://thenextweb.com/twitter/2014/03/26/twitter-android-ios-get-photo-tagging-ability-include-four-photos-tweet/>