Q | Dec 3, 2013 | 1:14:18
Unpacking Upworthy's rapid rise, Frank Turner's Tape Deck Heart, endurance runner Ray Zahab 2/12/13
Eli Pariser, founder of Upworthy.com, on the site's rapid rise, its copycats and its critics. UK folk/punk musician Frank Turner performs from Tape Deck Heart. Canadian ultra-marathoner and philanthropist Ray Zahab on pushing human limitations.