Ask HN: What's your favorite illustration in computer science?
Martin Fowlers diagram on the cost of presumptive features / YAGNI. It nicely breaks down the costs, whether it’s the right feature or not!<p><a href="https://martinfowler.com/bliki/Yagni.html" rel="nofollow">https://martinfowler.com/bliki/Yagni.html</a> (Scroll a bit).