<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://digitalspyuk.cdnds.net/14/10/tech-gmail-ios-7-2.jpeg>
<http://www.digitalspy.com/tech/apps/news/a555709/gmail-app-updated-for-ios-7-to-eliminate-manual-refreshing/>