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- 4.1: Introduction
- 4.2: Open Source
- 4.3: Why Open Source?
- 4.4: Examples of Open Source Software
- 4.5: Why Give It Away? The Business of Open Source
- 4.6: Cloud Computing- Hype or Hope?
- 4.7: The Software Cloud- Why Buy When You Can Rent?
- 4.8: SaaS- Not without Risks
- 4.9: The Hardware Cloud- Utility Computing and Its Cousins
- 4.10: Clouds and Tech Industry Impact
- 4.11: Virtualization- Software That Makes One Computer Act Like Many
- 4.12: Make, Buy, or Rent