E-readers aren't dead! I use mine every day and I have passed my old ones on, converting others to the platform. I like the e-ink page to read. I get a headache trying to read on my PC, tablet or phone for long periods and there are too many opportunities for distraction. E-readers are mostly a single use item and as such they don't wear out or require upgrades as often as a tablet or phone would. I just replaced a battery in my 2013 purchased Paperwhite and another in the one I bought for a friend in 2012. E-readers don't become obsolete like so many electronics because if they turn a page fast enough to read, they're fast enough. No upgrade needed. Believe me, if there wasn't enough profit in e-books, the e-readers would be built for obsolescence, the price would be lower and their sales would be up. I look at it as one less thing to send to the landfill.
Edit: And I have to say that anyone who believes that e-readers are dead simply because device sales are down, must never have used one. I know some people who jumped on the e-book bandwagon late. They seem to feel that reading on their tablet is just fine. But for someone who likes reading and does so frequently, there is nothing to compare with a real e-reader.