How One Coding School Hopes to Teach Thousands of Students, Without Professors

An unusual coding school called 42 opened a campus just outside of Silicon Valley last year. It's free -- for those who pass a month-long coding challenge -- and it focuses on peer-to-peer learning, meaning there are no professors. Brittany Bir, chief operating officer of 42 USA, explains how it works, and whether there are any lessons for traditional educational institutions.