World Changing Ideas is divided into seven chapters, each one a category of the types of invention. Through these seven thematic sections, the book investigates all the entries shortlisted for the prize, including the winners and those selected for the honorary Edward de Bono Medal. It investigates how the innovation works and the way it has the potential to change the world. It also takes a look at how the companies and individuals have fared since the award, explains the technologies that were used and the broader applications these might have. This is an inspirational guide for all those who appreciate ingenuity and imagination.