Summary

We started this chapter by discussing the basics of commerce (although as noted in the introduction, this wasn't exactly a history chapter, was it?). We then explained the payment systems and the technical mechanics of money movement, and worked our way up to distributed computing and its most scalable paradigm: cloud computing. In the last part, we explained important characteristics of cloud computing and how to implement them correctly. In the next chapter, you will learn more details about how to make the system scalable (the important “-ilities”) and then continue to delve deeper into the realm of security. Hang on tight; the fun is just about to start.

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