With new operating systems requiring security hardware, what is this hardware and why do we need it? Dr Steve Bagley takes Sean's bet to see how many times he can mention Trusted Platform Module in one video! https://www.facebook.com/computerphile https://twitter.com/computer_phile This video was filmed and edited by Sean Riley. Computer Science at the University of Nottingham: https://bit.ly/nottscomputer Computerphile is a sister project to Brady Haran's Numberphile. More at http://www.bradyharan.com/