Photo by By Manfred Heyde — Own work, CC BY-SA 4.0, https://commons.wikimedia.org/w/index.php?curid=3714575

It’s interesting to see how technologies might go through incremental improvement over time. Having kids a few years apart, one can see this in consumer products. Hmm… new car seats have this type of latch, hmm… the tolerances on this bottle are a little better so the top screws on and off with less effort.

Having revived my old phones as sacrificial electronics for the kids during the pandemic, I can line up an S6, S8, and S10…