Acknowledgements
I have edited academic publications, and the acknowledgements sections often had funny bits, as described here. So I'm one of the few people who almost always reads the acknowledgements sections of publications.
http://www.slate.com/blogs/future_tense/2013/12/27/academics_hide_snarky_clever_comments_in_the_acknowledgments_sections_of.html
http://www.slate.com/blogs/future_tense/2013/12/27/academics_hide_snarky_clever_comments_in_the_acknowledgments_sections_of.html