Had to look this up again. 10 slides, 20 minutes, 30pt type or larger.
How to Change the World: The 10/20/30 Rule of PowerPoint – Guy Kawasaki
That guy you know from the Internet, probably.
Had to look this up again. 10 slides, 20 minutes, 30pt type or larger.
How to Change the World: The 10/20/30 Rule of PowerPoint – Guy Kawasaki