When you use supermarket discount cards, you are sharing much more than what is in your cart—and grocery chains like Kroger are reaping huge profits selling this data to brands and advertisers
Author Archives: Jon Keegan/The Markup
Jon Keegan is passionate about revealing the hidden patterns created by our interactions with the big platforms. He is happiest when his computer’s fan is running full-tilt while collecting millions of rows of data.
Before The Markup, he was a Senior Research Fellow at the Tow Center for Digital Journalism at Columbia University, researching signals of trust in online news and studying the role of AI in journalism. He also worked at The Wall Street Journal for 18 years, where he ran the interactive graphics team.
Jon’s work has won several journalism awards, including the Loeb Award, the Society of Professional Journalists’ Excellence in Journalism Award and the Society of News Design’s Best of Digital Gold Award.