We’ve updated The Markup’s privacy tool to help you understand how sites are tracking you through TikTok and X pixels.

At the press conference, Mamdani blamed Adams for the budget shortfall, saying he had been handed “a poisoned chalice.” To close the deficit, he said he would raise taxes on the wealthy and ...

Read about our latest updates to Blacklight. Blacklight is a real-time website privacy inspector. The tool emulates how a user might be surveilled while browsing the web. Users type a URL into ...

The Markup, now a part of CalMatters, uses investigative reporting, data analysis, and software engineering to challenge technology to serve the public good. Sign up for Klaxon, a newsletter that ...

This story was copublished with Chalkbeat, a nonprofit news organization covering public education. Sign up for its newsletters here. Last summer, administrators at Bradford High School in Kenosha, ...

We’ve all experienced slow and inconsistent mobile data connections—speed varies with topography and proximity to cellphone towers, making it hard to measure. We used data from a 2016 FCC study that ...

During the second half of our junior year of high school, we were shocked to learn about an algorithm called the Dropout Early Warning System (DEWS) that our home state of Wisconsin had been using to ...

Kara Zajac said SPART*A, a small nonprofit serving transgender military service members and veterans, helped her begin her transition while in the Navy. To give back, she volunteered to build the ...

Nearly three years ago we launched Blacklight, an online tool that allows users to enter any website and find out what tracking technologies are present and who gets the visitor data they collect.

Marilyn Walto’s family didn’t expect her to make it through the year. A chronic disease was attacking her bile ducts and destroying her liver. Without a transplant, she would die. In an administrative ...

The Markup, now a part of CalMatters, uses investigative reporting, data analysis, and software engineering to challenge technology to serve the public good. Sign up for Klaxon, a newsletter that ...