Researchers stumbled upon a simple but worrying bug. Cropped images from Pixel phones contained a great deal of the original image in the cropped file. Drs Steve Bagley & Mike Pound explain. Mike's sources: https://twitter.com/itssimontime https://twitter.com/david3141593 https://www.da.vidbuchanan.co.uk/blog/exploiting-acropalypse.html Proof of concept: https://acropalypse.app/ Waiting for someone to spot that I fixed my typo on the text messages illustration but didn't fix it on the original -Sean 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/