Terms & Conditions as complicated to read as the epic poem Beowulf. How many times have you clicked 'agree' without reading any further? Professor Tom Rodden explains. EXTRA BITS - More on T's & C's: https://www.youtube.com/watch?v=QDyekmgn9dw Security of Data on Disk: https://www.youtube.com/watch?v=4SSSMi4X_mA Download the 'Literatin' plug-in from here: http://bit.ly/literatin http://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: http://bit.ly/nottscomputer Computerphile is a sister project to Brady Haran's Numberphile. See the full list of Brady's video projects at: http://bit.ly/bradychannels