This is not true. It depends on what type of spam we're talking about. The obvious here is social network spam (you don't enter captchas to send emails), whic

This is not true. It depends on what type of spam we're talking about. The obvious here is social network spam (you don't enter captchas to send emails), which is where captchas are most used against spammers, can be very profitable ($xxx per x,xxx-xx,xxx users).