Comment 96759

By Pxtl (registered) - website | Posted January 13, 2014 at 11:58:03 in reply to Comment 96691

Computers are generally pretty good at math - the trick with those math problems is that they required parsing the text of the equation and understanding that it's a math problem, not actually performing the math problem itself. Basically, the idea is to ask a question that

1) Humans can understand

and

2) Computers can't understand it

while

3) The answer to the question isn't written in the question itself, so computers can't cheat by simply trying random words picked from the question and repeating them.

Ultimately, it depends on no programmer being intrepid enough to bother solving (2) for such a low-traffic site. Obviously somebody sat down and wrote a "math in english" parser. The math is probably still blocking some crude spammers, but the sophisticated ones are obviously blasting right through it. Probably the future will require those nasty distorted-picture-of-text solutions, but computers are getting good at them too.

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