<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<http://schema.org/SearchAction>
<http://www.codingforums.com/graphics-and-multimedia-discussions/293412-best-video-format-website-pcs-macs.html?s=4767eadc77bd25c7601b15163bd0f8cd>