Cookies, Pixels and Fingerprints
Donald MacKenzie, 1 April 2021
“... money I spend on advertising is wasted,’ the 19th-century Philadelphia department store pioneer John Wanamaker supposedly said. ‘The trouble is, I don’t know which half.’ Today’s huge volumes of data don’t necessarily bring as much clarity as one might imagine. Everyone in the business would agree that the effects of what they call ... ”