<http://schema.org/image>
<http://static1.squarespace.com/static/52de5460e4b036f86899408c/t/53b002a0e4b01260143bc169/1476361149327/>
<http://www.slidemagic.com/blog/2011/02/do-not-buy-powerpoint-2011-for-mac-it.html>