Craziness and Creativity

This is an old Apple promo video that has reappeared with the release of the iPad. It features many characters that at the time were regarded as crazy in some way. Yet their craziness, curiosity, creativity and desire to disrupt the status quo had a lasting effect on all of us. So can we learn from this? Is crazy good and just how much of it do we need, after all it is a powerful phenomenon. So just how far should we be prepared to go to try and change things? How far would YOU be prepared to go?