On 01/21/2013 03:00 AM, David Gerard wrote:
On 21 January 2013 07:56, Andre Klapper
"at all" implies that some spambots are
blocked at least?
Yes, but to count as successful it would have to block approximately
all, I'd think.
That's dubious. Blocking all spambots is not the goal of any CAPTCHA.
The goal is to significantly decrease spam, and thus to save human