Now that assumes half-hour presentations for an average audience of four people with salaries of 35,000 dollars, and it conservatively assumes that about a quarter of the presentations are a complete waste of time, and given that there are some apparently 30 million PowerPoint presentations created every day, that would indeed add up to an annual waste of 100 billion dollars.
年収35,000ドルの観客 ― 平均４人に向けた ― 30分のプレゼンを仮定します 手堅く見積もって プレゼンの４分の１は時間の無駄です 毎日3,000万のプレゼンが 制作されると考えると 年間の損失額は 実に 1,000億ドルに上ります