Thank you, Scott. I did not intend to imply an eBook was the only medium. That said, another HN user wrote the following to me by email: "After thinking about

Thank you, Scott. I did not intend to imply an eBook was the only medium. That said, another HN user wrote the following to me by email: "After thinking about my experience more, I feel a print book is actually not such a great idea for a programming book because things change so fast that the matter gets dated very quickly." And use a print-on-demand service such as Lulu for those who really desire a hard copy.