<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://rbk.h-cdn.co/assets/cm/14/50/768x516/548a65ac87e6a_-_rbk-same-results-less-time-plank-xln.jpg>
<http://www.redbookmag.com/body/health-fitness/advice/g1233/workout-less-time/?link=rel&dom=yah_life&src=syn&con=blog_redbook&mag=rbk>