Been learning from this guy on YouTube for the last year or so, his skills with Keynote, especially around text and graphic animation, are the best I've found. Not needed for most, but if you love creating video intros and outros and other such moving graphics, check him out:
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www.youtube.com]
Mac mini (M1 2020, 16G) • Big Sur 11.x • Dual 25" Acer 1440p LCDs • 11" i5 MacBook Air •