Chapter 1: The Internet Chapter 2: Hosting and the Cloud Chapter 3: The Back End: Programming Languages Chapter 4: The Front End: Presentation Chapter 5: Databases: The Model Chapter 6: Leveraging Existing Code: APIs, Libraries, Web Services, and Open-Source Projects Chapter 7: Software Development: Working in Teams Chapter 8: Software Development: The Process Chapter 9: Software Development: Debugging and Testing Chapter 10: Attracting and Understanding Your Users Chapter 11: Performance and Scalability Chapter 12: Security Chapter 13: Mobile Basics Chapter 14: The Internet of Things Chapter 15: Artificial Intelligence Chapter 16: The Blockchain Chapter 17: Virtual and Augmented Reality