A good talk always has a clear message., It's important to present lots of facts and figures to show the audience that you are an expert in your field., If the delivery of a presentation is bad, e.g. the presenter doesn't speak clearly or engage the audience, sometimes the key points are lost., It's not essential to use slides to illustrate your points, but it helps audiences who like to see information written down or shown in images or diagrams., You should always write a good outline so that you have a clear beginning, middle and end., You should give examples to illustrate your key points., Jokes can help to engage an audience, but make sure they're funny or they'll have the opposite effect!.

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