re: relevance
You also have to pick the correct examples, to find Apple products that WERE relevant in people's daily lives.
For example, the original Apple 1? A very poor choice from the standpoint that most people never used one, or remember it. It was, after all, the FIRST home computer -- solid at a time when most people had no idea what one did or why they'd want to own it.
However, talk to the average person about the Apple //e (and maybe show them a photo if the name doesn't ring a bell), and you'll often get a reaction of, "Oh, yeah! I used those back in school! Our computer lab was full of those!", or "That's the first computer I ever used in summer camp.... Played Oregon Trail on it all the time in the library."
Another group of people will likely remember the original Macintosh as the computer they first used all the time in college.
Younger generations will likewise have some memories related to more recent models of the iMacs, since those are so commonly found in schools today.
With so many iPhones in use world-wide, it will surely be remembered for decades to come, too -- even if only as nostalgia (similar to the way older people remember the rotary dial phone with a smile, while acknowledging it was a step forward to see it go away).
I think you have a fairly narrow view of things.
A lot of people don't remember the original Apple 1 or Macintosh because it wasn't of relevance in their lifetime (1977...). However, when you speak to a lot of people who like technology, and that's not just uber geeks these days, about things that started major technology revolutions - PCs, the first mobiles, the first tablets etc - people are interested, do like talking about it etc. The first iPhone will go down in history as a pivotal point in technology, telco and cultural history. Sure it will seem archaic in 10-20 years, but it won't be forgotten, nor will people dismiss its relevance. It was huge, it remains huge 6 years later.
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I might upset a few Apple die-hards out there with this statement, but IMO, the garbage Apple pawned off on the public as "superior computers" in the mid 1990's is what drove me right back to Windows PCs.
When they canned Jobs, the company didn't really have any suitable successors in the wings, able to lead the company forward. Innovation stagnated and the only redeeming value left in the products was based on the things the Jobs era company initially created for them.
NeXT may not have succeeded either, but it wasn't for lack of a quality product. I think ultimately, NeXT only died off because of a very limited market of potentially interested customers who also had the financial ability to buy them. (At that time, most of the people who really "got" the computer revolution and were focused on it were younger kids/teens/twenty-somethings who didn't have a lot of disposable income.)
I recall some guys running a very successful little ISP in the 90's using all old NeXT hardware they purchased used after the hardware was discontinued. It was very reliable gear.
I also see a man who was removed from Apple, trying to distance himself from a then nearly bankrupt company, and determine to sell the Next to the world by trying to convince us that the Mac is not only obsolete but irrelevant.