Mmm, what? From the linked article itself: "One issue that has come up at some technical conferences is sexual or racist comments or images in slides. This is

Mmm, what? From the linked article itself: "One issue that has come up at some technical conferences is sexual or racist comments or images in slides. This is not appropriate. Speakers and exhibitors should use good judgment; if we hear complaints and we think they are warranted, you may not be invited back."