On Fri, Jul 5, 2013 at 5:42 PM, Denny Vrandečić <
Wait - removing the captchas lead to a decrease of
reverted edits in terms
of absolute numbers? Woot? Anyone has an explanation for that?
Maybe a CAPTCHA is effective at demotivating bona fide editors and
motivates vandal, which vandalize as a revenge for the CAPTCHA? That would
be interesting :)