[Haskell-cafe] Re: Haskell-Wiki Account registration

[Henning Thielemann]

On Fri, 13 Mar 2009, Benjamin L.Russell wrote:

> Why not ask new users to identify letters in a random bitmapped image
> of a string, as is commonly done?

I assume, because those images are
  1) not accessible by blind people
  2) can be decoded by spammers, since they know how the images are 
generated by common software.
  Thus my suggestion was a simple Haskell specific question, which cannot 
be answered by stupid spambots.