<https://economiza.com/microsoft-lanzara-en-enero-del-2013-el-tablet-surface-con-windows-8/#article>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://economiza.com/microsoft-lanzara-en-enero-del-2013-el-tablet-surface-con-windows-8/>