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What Are CAPTCHAs? How They Stop Bots and Train AI | Smartest Year Ever (June 2, 2025)
Why do websites keep asking if you're a robot? And what if checking that box is about more than just security?
In this episode, Gordy dives deep into the mysterious world of CAPTCHAs—those pesky puzzles we all click through daily. From their origins as spam blockers to their unexpected role in training artificial intelligence, you'll never look at a blurry street sign the same way again.
You'll learn how CAPTCHAs:
Use behavioral cues to detect bots 🤖
Help digitize historical books and documents
Have evolved into invisible background tests
Represent a frontline in the battle between AI and cybersecurity
It’s a story of humans vs machines, of brains vs bots—and of how millions of people are quietly shaping the future of technology every day without even realizing it.
🧠Stay curious. Stay clever. Let’s keep becoming the World’s Greatest Conversationalists.
Sources:
Von Ahn, L., Blum, M., & Langford, J. (2003). Telling Humans and Computers Apart Automatically. Communications of the ACM.
Google. (n.d.). reCAPTCHA Overview. https://developers.google.com/recaptcha
Harvard Gazette. (2017). The human behind the CAPTCHA. https://news.harvard.edu/gazette/story/2017/08/the-human-behind-the-captcha/
W3C Web Accessibility Initiative. (n.d.). CAPTCHA and Accessibility. https://www.w3.org/WAI/tutorials/forms/custom-controls/#captchas
Wired. (2020). Why CAPTCHAs Still Confuse Humans. https://www.wired.com/story/captchas-still-confuse-humans/
#AItraining #CyberSecurity #CAPTCHA #SmartestYearEver #DailyLearning #NoDaysOff #DailyFacts #DidYouKnow #TechFacts #InternetSafety #MindBlow #artificialintelligence #AItraining Music thanks to Zapsplat.
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By GordyWhy do websites keep asking if you're a robot? And what if checking that box is about more than just security?
In this episode, Gordy dives deep into the mysterious world of CAPTCHAs—those pesky puzzles we all click through daily. From their origins as spam blockers to their unexpected role in training artificial intelligence, you'll never look at a blurry street sign the same way again.
You'll learn how CAPTCHAs:
Use behavioral cues to detect bots 🤖
Help digitize historical books and documents
Have evolved into invisible background tests
Represent a frontline in the battle between AI and cybersecurity
It’s a story of humans vs machines, of brains vs bots—and of how millions of people are quietly shaping the future of technology every day without even realizing it.
🧠Stay curious. Stay clever. Let’s keep becoming the World’s Greatest Conversationalists.
Sources:
Von Ahn, L., Blum, M., & Langford, J. (2003). Telling Humans and Computers Apart Automatically. Communications of the ACM.
Google. (n.d.). reCAPTCHA Overview. https://developers.google.com/recaptcha
Harvard Gazette. (2017). The human behind the CAPTCHA. https://news.harvard.edu/gazette/story/2017/08/the-human-behind-the-captcha/
W3C Web Accessibility Initiative. (n.d.). CAPTCHA and Accessibility. https://www.w3.org/WAI/tutorials/forms/custom-controls/#captchas
Wired. (2020). Why CAPTCHAs Still Confuse Humans. https://www.wired.com/story/captchas-still-confuse-humans/
#AItraining #CyberSecurity #CAPTCHA #SmartestYearEver #DailyLearning #NoDaysOff #DailyFacts #DidYouKnow #TechFacts #InternetSafety #MindBlow #artificialintelligence #AItraining Music thanks to Zapsplat.