The Transparency Report was an Airtag

When somebody is consuming material wholesale and nobody will tell you where it is going, eventually you stop asking.

You put a tiny snitch inside the merchandise. 404 Media did exactly that.

A bookseller had received a suspicious order for roughly 1,000 books through Biblio. With the seller's cooperation, 404 Media hid an Apple AirTag inside one of them and followed the shipment across the country.

The dot stopped at Amazon.