I mentioned that exclusion in the first comment. I re-emphasized it in the second comment. If we don't limit ourselves to PCs, I raise you my PS1 - could not even play a burned CD without hardware modifications, let alone customize anything. Predates iOS by 13 years.
Look again.
Switching to Developer Mode and hitting Ctrl-L at the boot up screen allows you to boot from USB or SD Card.
>And, when talking about pre-installed apps that the user can't remove without a lot of effort, Android basically invented that.
This statement is so disingenuous that I'm just going to stop quoting here.
Hello? iOS? Couldn't even remove icons/apps like Newsstand off your homescreen for 7 OS versions.
You need to familiarize yourself a bit more with what you're criticizing lest you sound like a head-in-the-sand zealot.