Alvin Toffler's classic, 'The Third Wave' presents a fascinating study of the forces that shape society today and will reshape the future. If you're wondering what the waves are, the first was agriculture, the second was industrialization and the third is the knowledge revolution. Even though it was written back in 1980, it offers a convincing argument for the shape of things to come. While Toffler's predictions aren't always spot on, the general principles are seen to be in play. Best of all, once you read this, you can read his later work, especially his latest book called 'Revolutionary Wealth'.
Footnote: The challenge if you plan to buy this book is finding a classic edition. The mass paperbacks available in B&N features much too small a print for my liking!