How much can the story of one building tell us about the rich and varied history of San Francisco? NPR discusses the evolution and past inhabitants of San Francisco's landmark high-rise, 140 New Montgomery. The early skyscraper, constructed in 1925, once served as headquarters of the Pacific Telephone and Telegraph Company and now houses Yelp and other tech companies. The Art Deco office tower recently underwent a $60 million restoration. Listen to the broadcast here.