Until recently, “Move fast and break things” was Facebook’s famous motto. Yet rapid growth can cause nearly as many problems as it solves. As Mark Zuckerberg told me in an interview for my Masters of Scale podcast, “We got to a point where it was taking us more time to go back and fix the bugs and issues that we’re creating than the speed that we were gaining by going faster.” In one famous incident, a summer intern introduced a bug that brought down the entire Facebook site for thirty minutes.
