Let Me iSign Your iBook

What happens to the author inscription in the digital age? The problem hadn't really occurred to me until this morning, when I was emailing a friend who will probably buy my book on one electronic platform or another. I was about to suggest he come to the book party — so I could sign his book — when the logistical problem presented itself. How? Will signed books eventually seem as quaint as a hand-written Declaration of Indepedence or the once state-of-the-art IBM Selectric?

I'm not the first ...