[thelist] CAPTCHA

Bob Meetin bobm at dottedi.biz
Tue Aug 18 18:52:00 CDT 2009

Duncan Hill wrote:
> On Tue, 18 Aug 2009 22:23:58 +0100, Chris Price  
> <chris.price at choctaw.co.uk> wrote:
>> As with previous posts suggesting this approach, it sounds like a no
>> brainer.
>> But where is the [anecdotal] evidence that it works and why don't the
>> big boys use it?
>> Just asking the questions. I am of little brain and need enlightening.
> I've tried the technique on a fairly simple site, and to be honest, the  
> site never attracted a lot of spam anyway so it is hard to be objective on  
> the results.
> Reflections on why the 'Big Boys' don't use it, and applying the 'kiss'  
> principles ... maybe it just doesn't fuel egos in quite the same way as a  
> complex system could.
> That might even be a big advantage for the smaller sites, there is less  
> reason for the bots to start developing counter measures if the Big Boys  
> aren't in the game.
> There is less risk of this method tripping itself up on  
> anti-discriminatory laws as there is nothing potentially that the user  
> needs to do.
> Duncan
I counter your "on why" with my "why are spammers so notoriously 
predictable?"  It's this predictable behavior that is their Achille's 
heel. Whether it's the mail server from a distant land or the v word or 
fill pattern we should all be thankful for small favors.  -Bob

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