"The business world revolves around presentations. When it comes time to make a decision, people sit down to review the analysis, discuss the issues and reach agreement. Later, executives communicate the strategy to employees with presentations. When there are issues to wrestle with and bumps in the road, people create presentations. While emails and text messages are now ubiquitous, they rarely replace the presentation. It is hard to debate and discuss in depth in a text message. As a result, if you are going to be a successful business lead, you have to know how to create and deliver presentations that are tight, logical and convincing."