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The Markup Profile picture
@themarkup
Sep 25, 2020 • 18 tweets • 4 min read • Read on X
Over 230,000 scan requests were made to our Blacklight tool this week! 🤯 Many readers also shared screenshots of their own tracker-free sites.

A hall of fame thread below (and feel free to add yours if we missed it):

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More from @themarkup

The Markup Profile picture
Dec 2, 2022
NEW: @HHSgov released updated guidance about user tracking on hospital websites.

It, unsurprisingly, confirms that HIPAA rules apply within patient portals.

But it also confirms that HIPAA rules can apply BEFORE login. This is a big deal—let’s dig in: Screenshot of the hhs.gov website that reads in bold: Use o
There’s been disagreement as to whether HIPAA applies on hospital pages where visitors might not all be active patients.

But @HHSgov has now said that yes, HIPAA does apply on appointment pages, login pages, and pages with info on specific health conditions.
An @HHSgov example: You visit a page with info on health conditions—like pregnancy or miscarriage.

Sharing your IP address from that page with a third party would be disclosing protected health info and HIPAA applies.

Get the full picture: hhs.gov/hipaa/for-prof… Screenshot of hhs.gov website that reads: Tracking technolog
Read 5 tweets
The Markup Profile picture
Nov 22, 2022
NEW: Major tax filing companies, like H&R Block and TaxAct, have been sending your information to Facebook as you file your taxes online.

The penalties for disclosing data without consent could be steep. themarkup.org/pixel-hunt/202…
We’re not talking just names and email addresses being sent to Facebook.

The personal information @varlogsimon, @angiewaller, and @colinlecher found included:
• Income
• Filing Status
• Refund amount
• Health savings account usage
• Dependents’ college scholarship amount
Take TaxAct: When we went through the site’s filing process, the information below went straight to Facebook. (The data in these screenshots is not from real people.)

TaxAct boasts around 3,000,000 users. Screenshot of Taxact.com showing the page one sees after filScreenshot of the code inspection view of TaxAct.com showing
Read 8 tweets
The Markup Profile picture
Oct 19, 2022
NEW: In cities across the U.S., four major internet providers are charging the same price for drastically different speeds.

And the worst deals were disproportionately offered to lower-income and least-White neighborhoods, @LeonYin and @ASankin found. mrkup.org/broadband
Take New Orleans: Shirley Neville, who lives in a middle-class, largely Black neighborhood, said her @ATT connection left her struggling to join video meetings.

Meanwhile in a mostly White, upper-income neighborhood, @ATT offered speeds almost 400x faster—for the same price. Graphic that reads "Sh...
Across Kansas City, @ATT gave the worst deals to historically redlined areas.

We found the same pattern in every city in our analysis where digitized historic redlining maps were available—22 in all. Chart that depicts resident...
Read 9 tweets
The Markup Profile picture
Oct 17, 2022
The “connected vehicle data” industry is a growing, largely unregulated ecosystem of businesses that seek to monetize your car data.

Let’s walk through the types of players in it.
Car manufacturers, also known as OEMs (original equipment manufacturers): Illustration of a car surro...
Vehicle data hubs: Illustration of a black pot...
Read 8 tweets
The Markup Profile picture
Jul 27, 2022
So you’re about to get in your car and go about your day.

Unbeknownst to you, your moves are being captured.

Here’s what happens next:
If your car came with built-in internet connection, dozens of sensors then emit data to your car’s computers.

You’ve unlocked the door; you’re in the driver’s seat; the temperature is 86° F; the sunroof is open; you’ve pressed the ignition; a trip has started from X location.
Your car’s internal computers then process these data points and transmit them to the manufacturer’s servers.
Read 6 tweets
The Markup Profile picture
Jun 16, 2022
NEW: Some of the country’s top hospitals have been sending sensitive patient information to Facebook.

These hospitals may have violated HIPAA, experts say. themarkup.org/pixel-hunt/202…
When we clicked a button to schedule an appointment at the following hospitals, Facebook was sent a packet of data that included details like our IP addresses, selected doctors’ names, and more. Johns Hopkins Hospital [UCLA Reagan Medical Center] [New Yo[Johns Hopkins Bayview Medical Center] [Jefferson Health - T
Even data from password-protected patient portals made its way into Facebook’s hands.

We found seven health systems sending data as sensitive as medication names, appointment details, and descriptions of allergic reactions.

Most have since removed the tracking. Table that shares whether a hospital removed a tracking pixe
Read 9 tweets

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