The opaque and frequently deceptive world of online advertising

Interesting. Public service media report on how Facebook helps advertisers target users of Facebook, and Facebook creates code to stop them. ProPublica is one:

A number of organizations, including ProPublica, have developed tools to let the public see exactly how Facebook users are being targeted by advertisers.

Now, Facebook has quietly made changes to its site that stop those efforts.

ProPublica, Mozilla and Who Targets Me have all noticed their tools stopped working this month after Facebook inserted code in its website that blocks them.

No transparency for you-oo, sorrreee.

“This is very concerning,” said Sen. Mark Warner, D-Va., who has co-sponsored the Honest Ads Act, which would require transparency on Facebook ads. “Investigative groups like ProPublica need access to this information in order to track and report on the opaque and frequently deceptive world of online advertising.”

Facebook has made minor tweaks before that broke our tool. But this time, Facebook blocked the ability to automatically pull ad targeting information.

The latest move comes a few months after Facebook executives urged ProPublica to shut down its ad transparency project. In August, Facebook ads product management director Rob Leathern acknowledged ProPublica’s project “serves an important purpose.” But he said, “We’re going to start enforcing on the existing terms of service that we have.” He said Facebook would soon “transition” ProPublica away from its tool.

Facebook has launched an archive of American political ads, which the company says is an alternative to ProPublica’s tool. However, Facebook’s ad archive is only available in three countries, fails to disclose important targeting data and doesn’t even include all political ads run in the U.S.

ProPublica’s tool regularly found advertisers that Facebook’s missed.

What it all adds up to, said Knight First Amendment Institute senior attorney Alex Abdo, is “we cannot trust Facebook to be the gatekeeper to the information the public needs about Facebook.”

Is that kind of like the way we can’t trust Trump’s family to be impartial government servants?

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