Army officer fired after publishing essay complaining about useless PowerPoints . Nancy Duarte says bad presentations obscure or conceal key points . Comment: Duarte : What makes a PowerPoint work is great storytelling .
Army officer fired after publishing essay complaining about useless PowerPoints . Nancy Duarte says bad presentations obscure or conceal key points . She says successful presentations do n't win because of a wealth of data . Duarte : What makes a PowerPoint work is great storytelling .