A group of researchers studied 15 months of human mobility movement data taken from 1.5 million people and concluded that just four points in space and time were sufficient to identify 95% of them, even when the data weren’t of excellent quality. That was back in 2013. Nearly ten years on, surveillance technologies permeate all aspects of… Continue reading Not Big Brother, but close: a surveillance expert explains some of the ways we’re all being watched, all the time