

It would likely open up the market for arm motherboards, since they’re not the only player in the game. I think it would ultimately be a good thing, but it would probably take a decade or so to truly compete with x86-64.
Apple opening up the market would definitely give the process a kick in the pants.
Caffeinated beverages don’t dehydrate you. Yes, caffeine has a mild diruetic effect, but it’s nowhere near enough to cancel out the water in the drink.