Public Speaking
Follow the 3-Second PowerPoint Rule for Persuasive Presentations
Use the billboard test to simplify presentation slides.
By CARMINE GALLO, KEYNOTE SPEAKER AND AUTHOR, @carminegallo
Public Speaking By CARMINE GALLO
Follow the 3-Second PowerPoint Rule for Persuasive Presentations
Use the billboard test to simplify presentation slides.
By CARMINE GALLO
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