Melisa Idris speaks to Sebastian Thrun, CEO & co-founder of Udacity, an online education platform offering massive open online course (MOOCs). Thun, who was named the fifth most creative person in the world of business by Fast Company in 2011, is also a Google VP and Fellow and the first head of Google X. He speaks about how he got into online education, the ethos of Udacity, and need to democratise education.