Nice blog post by an Apple engineer whose task was “to get the existing Color Picker project, written for 68K chips, to compile for the new PPC architecture” and who created the crayon color picker:
https://www.engineersneedart.com/blog/almostfired/almostfired.html
That’s a great story (and a favorite poem!) One of my team’s Easter eggs recently got the, “hey, did you know about this!?” reveal to a relatively large audience. The joke was completely above board, but you never quite know, so the moment was still nerve-wracking.