This analysis does not include subscription-based "all-you-can-eat" offerings, such as Marvel Unlimited or Crunchyroll. It includes English-language sales from North America-based platforms, so inevitably includes some international sales.Digital comics sales growth is still outpacing ebook growth, which actually went negative in 2013 (see " Books, eBooks Decline in 2013 "). And print comics and graphic novels have been growing even as digital comics sales have been growing rapidly, evidence that comics may indeed be different from other media and have the potential for growth due to the increased access that digital comics bring (see " Why Digital Comics Are Different ").