There was a talk at the Golden Gate Ruby Conference called "CouchDB + Ruby: Perform Like a Pr0n Star", which featured an extended porn-industry metaphor and what some have described as softcore porn in the slides. This talk created a lot of discussion in the Ruby community, in particular about the effect this kind of talk has on the female attendees, and the general atmosphere of the conference. It also caused the Ruby community to introspect on what kind of environment they are creating and how it affects people who are not heterosexual males who may wish to participate in that community.
See the links posted above by swombat for some of the discussion.