What is good PowerPoint design?

Occasionally, I'm asked by colleagues or clients to send samples of "great slides" or "good PowerPoint." I usually hesitate to send examples of slides since my answer to the question, "what does a great PowerPoint slide look like?" is "...it depends." In a world which often thinks in terms of absolutes — "this is good, that is bad" — "it depends" is not the most popular answer.

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