Instead of picture puzzles: Google introduces QR code challenge against AI botsBy hebelehubele / May 7, 2026 Article URL: https://www.heise.de/en/news/Instead-of-picture-puzzles-Google-introduces-QR-code-challenge-against-AI-bots-11273871.html Comments URL: https://news.ycombinator.com/item?id=48048256 Points: 2 # Comments: 0