Captchas are even easier to get around, and when a spammer buys a bunch of VOIP numbers there’s a pattern that can be blocked/banned whereas if they pay some workers a few bucks to solve a few thousand captchas there’s not exactly anything as identifiable there.
Captchas are even easier to get around, and when a spammer buys a bunch of VOIP numbers there’s a pattern that can be blocked/banned whereas if they pay some workers a few bucks to solve a few thousand captchas there’s not exactly anything as identifiable there.