LONDON C — How do you design a toaster? By that, I don’t mean what skills and materials will be needed, but rather what the design process consists of. Would you be surprised if I suggested that it might begin with a manufacturer describing what type of toaster is required to a designer who envisages exactly what it will look like and how it will be made, then sends detailed specifications to a factory? Of course not. Countless products have been designed in that way since the Industrial Revolution.