We generally think of disruption as a good thing in the tech world: old, inefficient services as disrupted as new innovations come to market. But how does it actually happen? What makes something disruptive instead of just being a logical evolution of the current status quo? In this insightful talk, Kirsten Berman of Irrational Labs looks at the characteristics that define disruption. She examines the specific features and disruptive qualities of services like Uber and Twitter, sharing insights about how disruption can be broken down into specific design problems.