Inside Gusto's brand-new San Francisco headquarters, where employees work on living room furniture and take off their shoes at the door

Katie Canales/Business Insider Gusto's founding is a classic Silicon Valley tale. In 2011, Joshua Reeves and a few techie friends launched the company out of a house in Palo Alto, where the founders had access to top coding talent and proximity to the most powerful VC firms in America. That's where the startup stereotype ends for Gusto, a billion-dollar enterprise that makes human resources software for small businesses. Reeves takes pride in helping small businesses do great work, but he also w...