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Learning useful stuff from the Ecosystems chapter of my book

What useful, practical things might professional software developers learn from the Ecosystems chapter in my evidence-based software engineering book?

This week I checked the ecosystems chapter; what useful things did I learn (combined with everything I learned during all the other weeks spent working on this chapter)?

A casual reader would conclude that software engineering ecosystems involved lots of topics, with little or no theory connecting them. I had great plans for the connecting theories, but lack of detailed data, time and inspiration means the plans remain in my head (e.g., modelling the interaction between the growth of source code written in a particular language and the number of developers actively using that language).

For managers, the usefulness of this chapter is the strategic perspective it provides. How does what they and others are doing relate to everything else, and what patterns of evolution are to be expected?

Software people like to think that everything about software is unique. Software is unique, but the activities around it follow patterns that have been followed by other unique technologies, e.g., the automobile and jet engines. There is useful stuff to be learned from non-software ecosystems, and the chapter discusses some similarities I have learned about.

There is lots more evidence of the finite lifetime of software related items: lifetime of products, Linux distributions, packages, APIs and software careers.

Some readers might be surprised by the amount of discussion about what is now historical hardware. Software needs hardware to execute it, and the characteristics of the hardware of the day can have a significant impact on the characteristics of the software that gets written. I suspect that most of this discussion will not be that useful to most readers, but it provides some context around why things are the way they are today.

Readers with a wide knowledge of software ecosystems will notice that several major ecosystems barely get a mention. Embedded systems is a huge market, as is Microsoft Windows, and very many professional developers use C++. However, to date the focus of most research has been around Linux and Android (because its use of Java, a language often taught in academia), and languages that have a major package repository. So the ecosystems chapter presents a rather blinkered view of software engineering ecosystems.

What did I learn from this chapter?

Software ecosystems are bigger and more complicated that I had originally thought.

Readers might have a completely different learning experience from reading the ecosystems chapter. What useful things did you learn from the ecosystems chapter?

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