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"This blog poses a rather radical premise. It suggests that Refactorings have counterparts called Transformations. Refactorings are simple operations that change the structure of code without changing it's behavior. Transformations are simple operations that change the behavior of code. Transformations can be used as the sole means for passing the currently failing test in the red/green/refactor cycle. Transformations have a priority, or a preferred ordering, which if maintained, by the ordering of the tests, will prevent impasses, or long outages in the red/green/refactor cycle."

"Today, JavaScript is no longer a startup, and it's no longer just startups that are using it. Companies of all sizes and levels of maturity build applications for the browser, and JavaScript is the language they use to build them. The demands that were once placed on languages like C/C++ and Java are now shifting to JavaScript, and that shift is exposing the language's limitations: performance and maintainability."

An interesting read: legacy software is there and an important part of our lives, but maintaining it may pose a challenge. The author argues that agile methods may even be more beneficial to teams maintaining legacy code than to teams that build brand new products from scratch.