Supreme Court affirms 4A protections for location data Last Monday, the Supreme Court issued a ruling in Chatrie v. United States determining that law enforcement conducts a Fourth… July 6, 2026
Podcast: Quantifying the advertising value of cookies (with Garrett Johnson and Shunto Kobayashi) https://www.youtube.com/watch?v=V8tV2czrZZE On this week's episode of the podcast, I am joined by Garrett Johnson and Shunto Kobayashi, professors at Boston University who have… June 30, 2026
Your phone isn’t secretly listening to you for ad targeting, part 2 Last month, the FTC fined Cox Media Group (CMG) and two other companies to settle allegations that the firms deceived… June 3, 2026
Apple brings ads to Apple Maps Bloomberg reports that Apple will soon bring ads to Apple Maps (emphasis mine): Apple Inc. is preparing to introduce advertising in its Maps… March 24, 2026
AI Tracking Transparency On November 13th, 2025, Apple updated its App Store developer guidelines -- specifically, guideline 5.1.2 (i) -- to require developers… February 24, 2026
Does Apple police fingerprinting? In Meta's Renaissance, I credit Meta's years-long recovery from Apple's App Tracking Transparency (ATT) privacy policy to four strategic changes… December 3, 2025
Podcast: Can the GDPR be reformed? (with Mikołaj Barczentewicz) https://open.spotify.com/episode/45iTETKIuj7wtGQXks49ge?si=4a26ee50969c49a8 My guest on this episode of the podcast is Mikołaj Barczentewicz, a professor of law at the University of… November 25, 2025
The privacy shuffle, part 4: Google shutters Privacy Sandbox On Friday, Google announced that it has effectively discontinued its Privacy Sandbox initiative for both Chrome and Android (emphasis mine):… October 20, 2025
Tea app and the App Store privacy illusion Last week, users on the 4Chan forum discovered that user data for Tea Dating Advice, an app that reached a… July 30, 2025
Estimating the impact of Meta’s reintroduction of AMM Last week, I wrote about the reinstatement of Meta's Advanced Mobile Measurement (AMM) program, which Meta discontinued in October 2021.… July 2, 2025
