In recent issues of the magazine, D. T. Max Profiled Jack Dorsey, one of the founders of Twitter, and Nathan Heller wrote about the values and lifestyles of young San Francisco entrepreneurs. Here, they both talk with Sasha Weiss about why the cultural center of gravity may have shifted west to San Francisco, how the economic and creative force of the tech industry is changing the city, and what it means for the rest of the country. Also on the podcast, why the poet Brad Leithauser finds some words unusable.