A good lecturer is thus talking with and not at or even to his or her listeners. To manage this, the lecturer needs to be closely attending to the audience’s every move, gesture and sound. Perversely, this cannot be done by watching the audience, as such. A good lecturer speaks directly to and watches the response of single, identifiable people,*2 instead of doing something clichéd, such as “presenting a talk” to an audience. Everything about that phrase is wrong. You don’t present. You talk. There is no such thing as “a talk,” unless it’s canned, and it shouldn’t be. There is also no
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