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Captcha systems do more than block bots. The reCAPTCHA proje..
🕑 Added 2025-04-08 22:00:27 +0000 UTCCaptcha systems do more than block bots. The reCAPTCHA project, acquired by Google, was used to digitize books and newspapers by asking users to interpret hard-to-read words. Each user-submitted result helped train OCR algorithms, combining security with crowdsourced data improvement.
