[thelist] Image Challenge System

Noah St.Amand noah at tookish.net
Sun Jan 16 23:26:54 CST 2005

Hi Russ,

Russ wrote (1/16/05 11:24 PM):

> I'm curious to know if anyone has utilized an Image Challenge System in
> order to prevent SPAM from appearing in comments sections on websites.

I haven't, and I can't offer any advice. I can, however, tell you that 
these things are called "captchas", which according to Wikipedia stands 
for "Completely Automated Public Turing Test to Tell Computers and 
Humans Apart":


Hopefully that will help with your research.


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