Pixel Hunt

Millions of Meta’s invisible pixels are embedded on websites across the internet. The Markup is investigating exactly what those pixels track about the public.

Illustration of a greyed out web browser showing a hospital portal. A white hand behind it is pulling off a strip of the browser and pills are falling out of that strip. There is a blue glow behind the edge of the browser window.

Pixel Hunt

Facebook Is Receiving Sensitive Medical Information from Hospital Websites

Experts say some hospitals’ use of an ad tracking tool may violate a federal law protecting health information

June 16, 2022 06:00 ET

Illustration of a woman in a hospital gown standing on top of a device. The device screen shows an appointment form, with the submit button right underneath the woman. The submit button is drawn to look like it's made out of glass, and underneath is a bottomless pit.

Pixel Hunt

Facebook and Anti-Abortion Clinics Are Collecting Highly Sensitive Info on Would-Be Patients

The social media giant gathers data from crisis pregnancy centers through a tracking tool that works whether or not a person is logged in to their Facebook account

June 15, 2022 06:00 ET

Illustration of the back of a student's head looking at a laptop with a graduation cap on the screen. Various Facebook-like hands are grabbing information like credit cards, location pins and documents.

Pixel Hunt

Lawmakers Question Education Department About Facebook Student Aid Tracking After Markup Investigation

Two Republican lawmakers said the department “has failed to protect the privacy of individuals seeking to further their education”

May 11, 2022 15:30 ET

Illustration of the back of a student's head looking at a laptop with a graduation cap on the screen. Various Facebook-like hands are grabbing information like credit cards, location pins and documents.

Pixel Hunt

Applied for Student Aid Online? Facebook Saw You

The FAFSA form included code that sent personal information back to Facebook

April 28, 2022 08:00 ET

Show Your WorkPixel Hunt

How We Built a Meta Pixel Inspector

The first large-scale, crowdsourced study that monitors how Meta tracks people across the internet

April 28, 2022 08:00 ET

Pixel Hunt

Help Us Investigate Facebook Pixel Tracking

The full extent of how Facebook tracks people on the web is not understood—but you can help uncover what data the tech giant is gathering about you

January 21, 2022 08:00 ET

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