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 pink vacuum hose sucking up pixels and dirt from browser windows. Half of the browser windows are cleaned up of dirt and sparkling.

LevelUp

In 2023, Resolve to Fix Your Organization’s Meta Pixel Problem

It’s time to be proactive about user privacy. Find out if you’re sending too much data to Facebook—or if you need to send data at all

January 31, 2023 11:00 ET

Pixel Hunt

Sen. Elizabeth Warren Questions Tax Filing Companies, Meta, and Google About Sharing of Financial Data

Letters to the companies, signed by Warren and others, cite a recent Markup investigation

December 14, 2022 12:00 ET

Illustration of a person with purple hair and shoes, being dissolved into pixels. There are prescription bottles surrounding them and some of those bottles are also being dissolved into pixels.

Pixel Hunt

“Out Of Control”: Dozens of Telehealth Startups Sent Sensitive Health Information to Big Tech Companies

An investigation by The Markup and STAT found 49 out of 50 telehealth websites sharing health data via Big Tech’s tracking tools

December 13, 2022 06:00 ET

Photo of the exterior of an H&R Block building.

Pixel Hunt

Meta Sued for Collecting Financial Information Through Tax Filing Websites

A proposed class action was filed on Dec. 1

December 2, 2022 16:50 ET

Illustration of the Meta hand with thumbs up holding a magnifying glass over a 1040 tax form.

Pixel Hunt

Tax Filing Websites Have Been Sending Users’ Financial Information to Facebook

The Markup found services including TaxAct, TaxSlayer, and H&R Block sending sensitive data

November 22, 2022 08:00 ET

Inside The Markup

The Markup Receives Honors from Adweek and the National Edward R. Murrow Awards

Our Pixel Hunt series, Citizen Browser project, and Prediction: Bias investigation all received recognition

October 25, 2022 10:15 ET

U.S. Sen. Mark Warner standing at a podium with his left hand raised. In the background, there is an American flag.

Pixel Hunt

Senator Questions Zuckerberg About Facebook’s Collection of “Sensitive Health Information”

Citing multiple Markup investigations, Sen. Mark Warner of Virginia asked Meta to detail how it collects, filters, and safeguards sensitive information

October 20, 2022 14:40 ET

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

Meta Faces Mounting Questions from Congress on Health Data Privacy As Hospitals Remove Facebook Tracker

After a Markup investigation in June, 28 hospitals removed the Meta Pixel or blocked it from sending patient information to Facebook

September 19, 2022 12:25 ET

Pixel Hunt

Online Abortion Pill Provider Hey Jane Used Tracking Tools That Sent Visitor Data to Meta, Google, and Others

Personal information from reviewers was also exposed until The Markup’s inquiry

July 1, 2022 10:00 ET

A red emergency sign outside Neemours Children's Hospital

Pixel Hunt

This Children’s Hospital Network Was Giving Kids’ Information to Facebook

When parents scheduled an appointment for their children on the Nemours page, Facebook received that information

June 21, 2022 13:00 ET

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