Hi Charlie,

I really like this article. I want to pick up on something you said towards the end of it "It means recognizing that you can’t have a firm schedule with a fixed set of requirements and a fixed end-date."

As it turns out, I've had similar thoughts myself and recently wrote an article about it. You might like to read it at:

https://uxdesign.cc/the-iron-triangle-and-agile-7b66d3c72a51