With all this talk of Big Data, we got Rebecca Tickle to explain just what makes data into Big Data. MapReduce: https://www.youtube.com/watch?v=cvhKoniK5Uo 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/