I have a number of ebooks and PDFs, mostly references. I have a number of the reference books as both ebooks and paper books. I just... Don't have the freedom with digital copies of things that I do with paper ones, and I refuse to have key knowledge DRM'd. Papers on PDF are alright (as in, I only print really important ones), but proprietary ebooks? Im not trusting my only copy of professional knowledge to the peopl…
And the advantages from that point are excellent. I can read the same thing on my phone, e-reader or desktop, so it's a very fluid experience whatever I'm doing.