Music Business NewsNot ThisreCAPTCHA and Duolingo: Luis von AhnDigital and Radio FactsMay 24, 2020April 7, 2026 by Digital and Radio FactsApril 7, 2026April 7, 202600 Luis von Ahn created CAPTCHA to solve Yahoo's spam problem, then evolved the concept into Duolingo, now valued at $1.5 billion.... Read more
