I have started reading ebooks way before there were any e-ink readers available.
Ebooks and later pocketable readers and even later e-ink readers have changed my reading on many, MANY levels.
I grew up as a voracious reader and heavy user of quite a few different libraries. I never owned more than a small bookcase worth of books. I knew from very early on I would never to sustain my reading appetite with the books I actually physically owned.
Being a library user I got used to an opportunist approach to getting books - you usually browse through the just-returned-pile and get interesting looking stuff there. When I went looking for a specific book, it was usually when I was looking for other books in series.
I live in a non-English-speaking country and at one moment I decided to start reading in English. When I ran out of locally available English books here I have discovered e-books.
You can read a long rant about the whole history here:
https://www.mobileread.com/forums/sho...74#post2100274
E-books caused that now my reading is much more varied and I have discovered new niche generes and obscure authors I like.
Plus, I do not have to worry anymore what I am going to read on holiday, or when camping or when I finish the batch borrowed from a library.