The article makes a very strong case that dedicated readers may be a relatively short-lived phenomenon. Whilst I can accept some of his arguments it places a certain amount of worry on those of us who wish to replace our paper-based libraries (especially fiction) with e versions, only to find in 5 or 10 year's time that there may not be anything around that can read the files.
OK, multi-purpose machines may come along, but there is no guarantee they will support the file structure of your books in the long term ....
and here and now, my 'need' is for a dedicated bit of hardware ... something like me - simple

that allows me to pick and choose a 'book' and read it without interruption, very portable - and because it tends to be easier on the eye ( ? ) black text on white .....