[Wikimedia-l] Editor retention (was Re: "Big data" benefits and limitations (relevance: WMF editor engagement, fundraising, and HR practices))

[David Gerard]

On 8 January 2013 12:10, Nikola Smolenski <smolensk at eunet.rs> wrote:
> On 08/01/13 11:35, Federico Leva (Nemo) wrote:

>> In general, as far as we know captchas are currently not stopping
>> spammers at all, while effectively stopping many legitimate (less

> Care to elaborate? Do we know how are spammers avoiding captchas (by
> software or by humans)? How come other websites don't have this problem?


They do. rationalwiki.org has floods of spam accounts created,
apparently getting through the MediaWiki captcha just fine.


- d.