[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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