Will the E-Book Kill the Footnote?

Article in the NYT Sunday Book Review about ebooks and footnotes.

Excerpt: Since typing that small type, I have received dozens of angry and concerned queries about the anecdote. Why had I fed her grapes? Did I not know they were toxic? After some back-and-forth, I was surprised to discover that these incredulous comments often came from readers of the electronic version of my book, where the footnotes are shunted off to the end of the text, relegated to being mere endnotes. If footnotes are at risk of going unread, endnotes are even more so.