@g recommended me the book “Get to the Point” by Joel Schwartzberg and I also highly recommend it to anyone else that wants to give better speeches. It’s best to read while you’re working on a speech, so you can challenge and better it as you read.
Here’s a Medium post (sorry) by the author to get the gist of the book.
A bunch of technomancers in the fediverse. Keep it fairly clean please. This arcology is for all who wash up upon it's digital shore.