Reading Your Own Answers

1. What the Three Have in Common

Three exercises, three very different briefs, and one shared property. In each of them, the architecture was not the hard part.

The migration's difficulty was the sequence, and a correct target diagram answered the wrong question. The billing rebuild's difficulty was demonstrable correctness, and the design that achieved it was a shape the course had already described. The platform design's difficulty was knowing what not to build, and every component in the answer was ordinary.

That is not a coincidence of selection