Harry Shum explains how the Bing search engine was developed and what he sees as some of the major challenges facing all search engines given the current architecture. (December 5, 2012)

Ken Salisbury talks about several haptic systems that he is helping to develop that will improve rendering and even allow for improved medical procedures. (November 28, 2012)

Peter Norvig explores the evolution of online education and what developments he thinks will be important in the future. (November 14, 2012)