Why has your face become a barcode? See you this afternoon at #4SToronto for two splendid panels on "Continuity and Change in Digital #Identification Technologies!" I will contribute a thing on #biometrics in digital #payment.

👉️ netzeundnetzwerke.de/theorizing-b... #4S #4S2026 #digipay

💳 Starting very soon -- we'll talk about The Credit Card Book at the @cais-research.bsky.social colloquium in a bit! 📚

#digipay #creditcard #booksky