BP: How do you choose potential partners and what makes this model work so efficiently? (rismedia.com)
They shouldn't be held up by the press or other entrepreneurs of an example of how to make a model work when it's not working for them (yet). (signalvnoise.com)
Netflix and Spotify have built multi-billion dollar businesses by offering subscription services for film and music, respectively, but no company has really made this model work for digital books. (mashable.com)