I always get it backwards

An interesting Ars Technica post reviews evidence that some of us are susceptible to sales pitches that start by confusing you, and then clear things up. All these years, I've been following a model for talks and papers: always start off with something that everyone can understand, even if you end up presenting some thing dense and hard to follow later on. From now I'll put my hardest math in the abstracts, or maybe even the title.