What this article describes but fails to comment on is that "CAPTCHA" is a word that started off meaning "a test for humans versus bots" and ended up meaning "Google AND ONLY GOOGLE Rummaging Through Everything You Do On The Web To See If They Like It".

Nowadays, CAPTCHA can only serve as a means for the user to screen out fake forums like 4chan that look like they're independent companies when they're really just Google spy franchises. After you rule out everything bogus ... maybe you come here.