The lessons of blitzscaling to achieve market dominance are counterintuitive. The strategy requires a shift from the traditional thinking of growth to a prioritization of speed over anything else. Greylock Partner Josh McFarland founded and scaled TellApart (which was acquired by Twitter in 2015), and he will be the first to tell you the risks and rewards of blitzscaling. In this discussion with Blitzscaling co-author Chris Yeh, Josh encourages founders to throw out the conventional approach of decision making and embrace the art of fast decision making and willingness to experiment.