640px-birmingham_northern_rock_bank_run_2007

Published October 19, 2016 at 640 × 480 in How mathematics can fight the abuse of big data algorithms
By Lee Jordan (Flickr) [CC BY-SA 2.0 (http://creativecommons.org/licenses/by-sa/2.0)], via Wikimedia Commons

People queuing outside a Northern Rock bank branch in Birmingham, United Kingdom on September 15, 2007, to withdraw their savings because of the subprime crisis. Credit – Lee Jordan/Flickr.com (CC BY-SA 2.0)