So, another thing that adds to the wide variety of electromagnetic radiation with which we are irradiated every day...

Another point is that digital books are in some cases easier to censor or prohibit (not once they are in a "free format" and massively distributed). I can't imagine books like "The Golden Book of Chemistry Experiments" or Ragnar Benson books being released any time soon. Or it will be easier to simply wipe out it from…

OK, I can understand the benefits of the books going digital. Easier to search, easier to store. Specially for technical books.