This is the single best article I've read on the communication of complex ideas. It introduces a concept (new to me) called the Curse of Knowledge, whereby it's very difficult for someone who knows something to imagine what it is like to not know that thing. The implication:
It’s not enough to simply understand a subject and be able to produce true sentences about it. A skilled communicator must be able to craft each part of their message in anticipation of the audience’s state of mind.
The article goes much deeper into strategies for explaining something you understand but your audience does not. The author has even designed a course on the subject and links to two blog posts of his students that serve as exemplars.
Highly recommended.Read more...