Being an African born & bred in Nigeria, I particularly find this appalling. Captcha usually asks users to identify fire hydrants, crosswalks & other objects with design patterns that are not common here, in everyday living. There's a big question on whether these approaches work well for onboarding the next billion users to the internet, especially since the demographics are much different from existing internet use…
>>There's a big question on whether these approaches work well for onboarding the next billion users to the internet That isn't what captchas are used for. There are two side to every captcha, what the website is using them for and what the captcha creator or provider is using them for. In google's case, captchas are being used to hone AI. So it is no wonder that items like hydrants, store fronts, crosswalks and traf…
This is a roundabout way of just saying the most obvious explanation (sites with US-centric captchas are presumably mostly interested in US users anyway) but wrapped up in an unnecessary conspiracy layer to add creepiness.