Contents 1. The Cloud Computing Market 3 1.1. For and Against Cloud Computing / 3 1.2. OnDemand versus onPremise IT / 6 1.3. The Four Pillars of Cloud Computing / 10 1.4. A Birdseye View of Cloud Computing Vendors / 14 1.5. A New Industry Is Being Born / 18 1.6. Competition in the Cloud Is Asymmetric / 22 1.7. The Multibillion Opportunity: Income from Advertising / 25 2. Wha…