Have you ever wondered what it's like to work at Facebook, Apple, Google, or Microsoft? Maybe you work in a creative field, but wonder how software gets made? Every two weeks, Ravi and David interview a world-class expert on their work and their passions. In the past, we've discussed the difficulty of synchronizing clocks in train stations, strategies for squeezing every drop of power from a mobile handset's battery, and a four-year rags-to-riches journey spanning two failed startups and a move across the country.