On Fri, Jul 5, 2013 at 5:42 PM, Denny Vrandečić <
denny.vrande...@wikimedia.de> wrote:

> 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 :)

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