Out of 4,037,953 GitHub user profiles with email addresses, we were able to identify 1,426,121 (35.3%) of them as men or women through their public Google+ profiles.
Could be a confounding variable in that the type of people who reveal their gender publicly might differ from those who don’t in some way that is also related to their contribution quality
Accessing printers? Resolving hostnames of internal hosts? I can’t imagine having a lan without mDNS