Lots of us have expertise in particular areas. Becoming an expert in something means that we become more and more fascinated by nuance and complexity. That's when the Curse of Knowledge kicks in, and we start to forget what it's like not to know what we know.
Create a need for closure.
Just look for a strong beginning and a strong ending and get moving.
The more we reduce the amount of information in an idea, the stickier it will be.
What questions do I want my audience to ask?
Knowledge is rarely enough to spark change; it takes emotion to bring knowledge to a boil.