Wolfie Christl on Nostr: Last week, we published a Citizen Lab report on the ad-based location surveillance ...

Last week, we published a Citizen Lab report on the ad-based location surveillance system Webloc, its capabilities and its customers (https://citizenlab.ca/research/analysis-of-penlinks-ad-based-geolocation-surveillance-tech/).

Webloc obtains data from consumer apps installed on phones. How? We don't know.

But the ad targeting segments shown in this 2021 Webloc screenshot caught my eye: