On 22 January 2013 04:28, Matthew Flaschen <mflasc...@wikimedia.org> wrote: > On 01/21/2013 03:00 AM, David Gerard wrote:
>> 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 > spam-fighters time. Per the previous comments in this post, anything over 1% precision should be regarded as failure, and our Fancy Captcha was at 25% a year ago. So yeah, approximately all, and our captcha is well known to actually suck. - s. _______________________________________________ Wikitech-l mailing list Wikitech-l@lists.wikimedia.org https://lists.wikimedia.org/mailman/listinfo/wikitech-l
