The Markup

Californians can protect their personal data with one click. Help us test if it works

If you haven’t heard yet, California is offering a new way for people to protect their data — and we want your help tracking ...
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It was John Wayne’s political club. Now it’s spending millions on online influence

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 ...
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California tried to protect students’ data. Tech companies found loopholes

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 ...
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California investigates Elon Musk’s AI company after ‘avalanche’ of complaints about sexual content

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 ...
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Could this mysterious California news site influence the 2026 election?

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 ...
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Dating App Rape Survivors File Lawsuit Accusing Hinge, Tinder of “Accommodating Rapists”

The Dating Apps Reporting Project produced this story in partnership with the Pulitzer Center’s AI Accountability Network and The Markup, now a part of CalMatters, and copublished with The Guardian ...
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His students suddenly started getting A’s. Did a Google AI tool go too far?

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 ...
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California colleges spend millions to catch plagiarism and AI. Is the faulty tech worth it?

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 ...
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Turnitin charged colleges vastly different amounts to detect plagiarism

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 ...
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This is how you stop data trackers from sucking up your health data

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 ...
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The NYC Algorithm Deciding Which Families Are Under Watch for Child Abuse

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 ...