Talk to everyone like you would talk to each of us!

A bored audience is first and foremost an audience to whom you have not paid attention. When you are in a conversation, you pay attention to the person you are speaking to; you check if he or she is listening to you, if he or she understands you or if he or she agrees… by the same token, the more attention you pay to your audience, the more attention they will pay you in return.

To reread: