> you'd think parts get lighter over time, not heavier. I'm just guessing, but I would assume that parts get _smaller_ (so, maybe lighter but not in a "less de

> you'd think parts get lighter over time, not heavier. I'm just guessing, but I would assume that parts get _smaller_ (so, maybe lighter but not in a "less dense" way) but any space gained is taken up by new parts for new functionality or extra battery