<http://schema.org/mainEntityOfPage>
<http://appleinsider.com/articles/12/06/20/pc_makers_hint_at_feelings_of_betrayal_over_microsofts_surface_tablet>
<http://appleinsider.com/articles/12/06/20/pc_makers_hint_at_feelings_of_betrayal_over_microsofts_surface_tablet>