Great way to learn all the different hacking categories
Straighline method of sales. 1-10, sell prospects on 1 - the product 2 - the salesperson 3 - the company. Personal development and self introspection are key to S.L.M and scripting is also highly emphasized by Belfort.
Best way to get a sales person off their hind-end. And come up with some strategies for approaching and building sales proscpecting momentum. Very practical cross industry book.