Keith Grover from HB talks to Shishir Mehrotra, CEO and Co-Founder of Coda, a new type of doc that combines documents, presentations, spreadsheets, and workflow apps. Shishir previously oversaw product engineering at YouTube. Keith and Shishir chat about what it takes to start a business, Shishir’s take on Orabrush and the early YouTube ads, a little HB history, and how to cultivate creativity and solve multi-dimensional problems.