We talked about this briefly in our meeting today, i got the links from
Aaron for the original slides[1] and talk[2] (starts about half way
through). i don't think we are using any features with as strong of a bias
as the logged in bit for ores, but still something to think about.
[1]
https://www.mediawiki.org/wiki/File:Deploying_and_maintaining_AI_in_a_socio…
[2]
https://www.youtube.com/watch?v=rsFmqYxtt9w