Comment by falcor84

Ok, I'll take it. It definitely wasn't a business call at the level of Microsoft saying that everyone should be using it, but it was an actual service offered under the Microsoft umbrella and used by many sites in the wild, e.g. via this MediaWiki extension [0], for 8 years [1].

[0] https://www.mediawiki.org/wiki/Extension:Asirra

[1] https://web.archive.org/web/20150207180225/https%3A//researc...