Privacy
Kroger Sued for Sharing Sensitive Health Data With Meta
Two proposed federal class action lawsuits, filed in the wake of a Markup investigation, accuse the grocer of disclosing private data through its online store and pharmacy
Jon Keegan
Investigative Data Journalist
Jon Keegan was an Investigative Data Journalist at The Markup until July 2024.
Jon 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.
Pixel Hunt
Facebook Watches Teens Online As They Prep for College
An investigation by The Markup found Meta’s pixel tracking students from kindergarten to college
Hello World
Meet Nightshade—A Tool Empowering Artists to Fight Back Against AI
A newly released research paper outlines a tool artists can use to make their work act like “poison” if it is ingested by an AI image generator
News
The Problems Biden’s AI Order Must Address
The Markup gives a section-by-section breakdown of the summarized executive order on artificial intelligence
News
Twitter Is Throttling Patreon Links, Creators Say It Undermines Their Livelihood
Markup readers helped uncover the link delays, which also affect WhatsApp and Messenger
Twitter Is Still Throttling Competitors’ Links—Check for Yourself
Loading links to Bluesky, Facebook, Instagram, and Substack takes far longer than to other sites. We built a tool so you can check any domain you like
The BreakdownPrivacy
How to Quickly Get to the Important Truth Inside Any Privacy Policy
An investigative data journalist and a former tech lawyer teach you how to spot tricks and hidden disclosures within these interminable documents—and even how to claw back some privacy
Hello World
What Are “Data Clean Rooms”?
The dirt on data brokers’ latest privacy buzzword
Privacy
How Your Attention Is Auctioned Off to Advertisers
In mere milliseconds, online advertisers scrutinize your personal data and bid for your eyeballs
Pixel Hunt
Suicide Hotlines Promise Anonymity. Dozens of Their Websites Send Sensitive Data to Facebook
The Markup found many sites tied to the national mental health crisis hotline transmitted information on visitors through the Meta Pixel
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