Authors and publishers want fair compensation and a means of protecting content through digital rights management. Vendors and technology companies want new markets for e-book reading devices and other hardware. End-users most of all want a wide range and generous amount of high-quality content for free or at reasonable costs. Like end-users, libraries want quality, quantity, economy, and variety as well as flexible business models.
It's a great feeling as a coach to see your athlete run well, hearing the oohs and aahs as she picks people off.