This would really benefit from being an ebook - for years I had the 3rd edition with hanging sheets of errata folded into the back (ahh wait, I still have that

This would really benefit from being an ebook - for years I had the 3rd edition with hanging sheets of errata folded into the back (ahh wait, I still have that edition...) . I'd soo much rather get an email with a note that a new correction was available for download...