Completely unrelated to software, but sometimes stepping outside is what’s needed to develop perspective and find creative solutions – this is Practical Engineering’s video about the many electrical plugs and sockets in America:

There are a lot more socket kinds than I expected, and sprinkled in between are some useful observations about system design, change management, power users, backwards compatibility, and consistency vs. inconsistency – in my head, that last part puts this video right next to the previous post in my brain, even if they seem nothing alike.

Also, that early video snippet from the 1920s?

Jesus Christ. What a UI.