Have ebooks reached a DRM-free tipping point? Harvard Business Review Press recently went DRM-free, joining Tor/Forge, Macmillan, and a list of early DRM-rejecters that included O’Reilly Media and Harlequin’s digital imprint Carina Press.

This article from The Guardian explains the issues, and how the release of DRM software is one unintended consequence of the price fixing lawsuit against Apple and five of the big six publishers. For more information, see this recent account on games that are going DRM-free too.