Spammers get paid about $0.80 to $1.20 for each 1,000 solved CAPTCHAs to companies employing human solvers in Bangladesh, China, India, and many other developing nations.
students there work 2 -1/2 – 3 hours a day from their homes and make at least $6 every 15 days.
The faster and more accurately they solve the CAPTCHA the more money they make.
It is not a lot of money but it requires almost no effort and can help supplement their pocket money.
Read more here.
No CAPTCHA can survive a human that’s getting paid from companies and firms across the globe.
Replacing captcha with an additional question usually will result in 0 spam.