Keeping data anonymous seems easy, but keeping identities separate is a big problem. Professor Derek McAuley explains.

EXTRA BITS:    • EXTRA BITS: More Problems with 'Anony...  

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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