"While readers have enthusiastically embraced digital publishing, the book industry itself has continually dragged its heels. Even those who’ve embraced digital review platforms like NetGalley have been reluctant to make similar leaps for retail sales of digital books, and their reticence has limited consumer access to digital titles, particularly backlist–the same books consumers have the most difficulty finding in print. Add in the fact that many day-and-date releases cost nearly as much as their physical counterparts, and the e-market, while substantial, seems unlikely to take the place of print anytime soon….
On some levels, their reluctance is pragmatic. The technology of digital publishing is awkward and inconsistent. The closest thing to a single file standard, e-pub, is still far from platform-agnostic and notorious for destroying formatting elements, which limits what writers and designers can do structurally if they’re planning for digital….
— Rachel Edidin, Wired