GREAT IDEAS CHANGE THE WORLD, but how do you know if your idea is truly great? That is the problem Professor Sean Wise addresses in his third and best book to date. Sean Wise, former online host and business advisor to the hit reality show, Dragons' Den, has heard tens of thousands of entrepreneurs' idea pitches. Some were good, most were bad, and in this book he shows you how to tell the difference. Based on more than 20,000 hours of pitches, Wise...