This is what I do. The physical copy exists to be a conversation piece on a shelf, to loan out, talk to friends about, not mind losing to a family member who's

This is what I do. The physical copy exists to be a conversation piece on a shelf, to loan out, talk to friends about, not mind losing to a family member who's visiting, etc. The digital copy exists to mark up, index, search, highlight, learn from, etc. If it's not on LibGen I'll buy it on Kobo and strip it in to my library using Obok DeDRM and an old ePaper reader I wouldn't want to use otherwise, and then buy a physical copy of it's something I'd want to share. So often the books I loan out are "clean" and don't even have a wrinkle in the spine but sometimes I'll go through and dog-ear important passages or pencil-line particular parts. I've had friends assume I hadn't actually read the book until we pull out koreader and go over my highlights.