Cookies, Pixels and Fingerprints
Donald MacKenzie, 1 April 2021
“... kind can be like looking for a very small needle in a very large haystack, as Randall Lewis and David Reiley – two of an increasing number of economists working for tech firms – put it. There is greater confidence in ‘search ads’: the ads you are shown when you Google something of commercial interest. You are then lower in the funnel: you may be ... ”