<https://phandroid.com/2011/03/22/firefox-4-now-available-as-release-candidate-in-the-android-market/#breadcrumb>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://phandroid.com/2011/03/22/firefox-4-now-available-as-release-candidate-in-the-android-market/>