PRIVACY + SECURITY BLOG

News, Developments, and Insights

Is the Fourth Amendment Third Party Doctrine Dead?

Originally posted on Substack Yesterday, I edited Chatrie v. United States (2026) for my casebook, INFORMATION PRIVACY LAW, which Paul Schwartz and I are in the process of updating right now. The U.S. Supreme Court held that there is a reasonable expectation of privacy in geolocation data obtained via a geofencing warrant (which compels a company to turn […]

The Audacity: Big Tech and the Battle for Privacy

Originally posted on Substack I recently finished watching the first season of a terrific new TV series, The Audacity (2026). The show chronicles Duncan Park (Billy Magnussen), an out-of-control tech billionaire who has a company called Hypergnosis. The show was created by Jonathan Glatzer, who was a writer and producer for several TV series including Succession, Better Call Saul, and Bloodline.

AI Magazine Covers Throughout the Decades

Originally posted on Substack I previously posted my collection of privacy magazine covers. Here’s my collection of magazine covers involving AI, the internet, and related digital technologies. I collected more than 80 magazine covers from the 1950s to the present. I’m excited to share my collection with you. If you have any covers I’ve missed, please share […]

Privacy as Property?

Originally posted on Substack Is personal data property? Should it be? I’ve often heard arguments that an effective way to protect privacy would be to protect personal data with property rights. The thinking behind this idea is that ownership of property confers a lot of power on the owner, so perhaps this is the best […]

Privacy Magazine Covers Throughout the Decades

Originally posted on Substack I enjoy collecting things related to privacy as well as seeing how privacy is described and depicted throughout different times in history. I collected about 50 magazine covers involving privacy from 1950s to the present. I’m excited to share my collection with you. If you have any covers I’ve missed, please […]