"Business, marketing, public speaking, office tools, math"
...Technical audiences typically want to go deeper (but not always), and executive audiences want you to summarize or net-net on value (why is this important), and they will tell you when to go deeper. They are lot trickier. Tell them what you are going to tell them, then tell them, then tell them what you told them: not brain surgery, but good advice...
4 subjects, including public speaking