There is a magical, left-brain/right-brain effect that using words plus images can have on your communication efforts. The words and logic appeal to our need to have the facts and to reason our decisions. At the same time images can build passion, emotion and feelings.
Effective salespeople know the value of appealing to emotions while at the same time helping their clients justify their decisions with logic. That is why you must sit in a new car in the showroom (and hopefully fall in love) before you can start negotiating.
The magic of words plus images. The potential of good PowerPoint.
