James Edward Gray II wrote:
> On Oct 30, 2006, at 12:08 PM, Joel VanderWerf wrote:
> 
>> Austin Ziegler wrote:
>>> On 10/29/06, Tim Uckun <timuckun / gmail.com> wrote:
>>>> I googled RPA and all I got was a wiki filled with spam.
>>>>
>>>> Here is a suggestion for people running wikis and trac.
>>>>
>>>> Use captcha.
>>> Better yet: don't. Better to use a Wiki that does other proactive
>>> stuff. Most CAPTCHA implementations wouldn't even remotely pass any
>>> disability testing.
>>
>> What about quizzing the user on ruby?
>>
>> For example:
>>
>> Complete the following expression so that it evaluates to true:
>>
>> [1,2,____].last == 3
>>
>> It might be an interesting rubyquiz to _generate_ such questions.
> 
> We did a quasi similar problem already:
> 
> http://www.rubyquiz.com/quiz48.html
> 
> James Edward Gray II
> 

That quiz must have been kicking around my subconscious....

Anybody using that for bot-prevention?

-- 
       vjoel : Joel VanderWerf : path berkeley edu : 510 665 3407