Factoring in dollar cost with economies of scale and inflation, I’d wager the cost of a Kilowat hour would be more than thrice the current cost today.Because they are bad in terms of dollar for service or bang for your buck.
Phones, feature phones and dumb phones, capable of 42.5Kbps (GPRS) or smartphones running EPOC (also at 42.5Kbps up to 386Kbps) - Ericsson R380 (P.I.M and excrutiating 3rd party apps) - smartphone was hundreds of dollars cheaper. This at a time the internet was still heavily in it’s infancy. Commerce was a joke then, yet was just budding. Think prior to Yahoo heydays, further to AltaVista search. Still that device did what the average user wanted and needed atm, technology wise.
On the contrany comparing the Samsung Galaxy Note 20 Ultra or the Galaxy S20 Ultra 5G .. an iPhone 12 Pro/Pro Max may seem expensive, especially after 6mths equally on the market - yet that sliding pricing scale is up to Samsung to implement, Apple not to - they all are in the same ballpark. And it’s 11 mths different in launch dates.
I get you though ... everything is relevant and thus the