Disclosure statement
No potential conflict of interest was reported by the authors.
Notes
1 One of the most famous uses of this new form of CAPTCHA is Google's reCAPTCHA, which asks humans to decipher and identify house numbers and street names in pictures, with the aim of implementing the results in Google Maps.
Additional information
Notes on contributors
Maria Eriksson
Maria Eriksson is a postdoctoral researcher at Umeå University. She is a co-author of the book Spotify Teardown (MIT Press, 2019).
Guillaume Heuguet
Guillaume Heuguet is a postdoctoral researcher at Sorbonne University and a member of the GRIPIC and IRMECCEN research labs. He is the chief editor of the French journal Audimat and the author of the book YouTube et les métamorphoses de la musique (INA, 2021).