Cyrus Massoumi of ZocDoc on an entrepreneur's focus: TWiST #146

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Watch the full episode of TWiST #146 here: http://www.youtube.com/watch?v=Im-tGqDPxwo&list=SL

Also from TWiST #146:

On perseverance: Cyrus once spent five hours in a waiting room to make a sale:

http://www.youtube.com/watch?v=DFMS6B6fDF0

Cyrus explains how ZocDoc is the 'OpenTable for doctors':

http://www.youtube.com/watch?v=sq8WbalWoYA