After coming back from RailsConf, I have some tips about speaking at conferences. Which isn’t really a comment on the speakers I saw — I think, overall, the quality of the speakers has improved noticeably over the years — but more along the the lines of tips for people getting started. None of this is a hard-and-fast rule, the most important thing is to speak about something that you find important and interesting, and do so in a way that makes your excitement apparent to the au...