Zach Holman (the author of this post) uploaded his slides for a talk he gave at a Ruby conference a couple of weeks ago. Some people, including Scott Hanselman, complained about talks including profanities (especifically the word "fucking" in a slide).
The blog post by Hanselman is here: http://www.hanselman.com/blog/ProfanityDoesntWork.aspx
Zach Holman slides are here: http://zachholman.com/talk/a-documentation-talk