This document summarizes and debunks the myth that 93% of the effectiveness of a presentation depends on body language and voice, and only 7% on the content of the words. It explains that the study this myth is based on actually referred to one-on-one communications containing an emotional element, not most business presentations. While body language and voice are important, the document emphasizes that the actual content and information being conveyed to the audience is most critical for an effective presentation.