There’s a difference on hearing new ideas rather than simply reading them. The author is able to provide his or her unique emphases in ways impossible to accomplish in print. Pauses and tonal changes become meaning and create insights and increased understanding.
And audio cassettes provide a medium for learning experiences that can be shared simultaneously with someone else, thus encouraging immediate discussion and interaction.
BUCKMINSTER FULLER: A Twentieth Century Renaissance — Buckminster Fuller, author of “Synergetics,” a distillation of his life work, and a man universally acclaimed as one of the most influential, metaphorical, and original minds of our time, describes some of his discoveries about the structure of what he calls Spaceship Earth.