I was never much for writing in books in school, though I did use Post-Its frequently. Which is a precursor to leaving digital notes in a Kindle edition of the book. A Michigan high school student is one of the parties in a class action suit against Amazon because in deleting the unauthorized MobileReference edition of 1984, the company effectively ate his homework.
Sure, electronic books are portable and have all sorts of advantages. But Borders has not, to date, broken into my house and stolen back my copy of The Ultimate Hitchhiker’s Guide.