DRM won't work. And because of that many will have to start looking for a new/different business model. And they will find it, although they're not sure where to look.
"The way I see it, readers and rep are what really matter to a writer. Dollars should follow from a satisfied readership, although exactly how this happens in these times of technological and economic innovation is not immediately apparent, alas. I do believe that the net has irretrievably compromised twentieth-century notions of intellectual property and that no amount of DRM shenanigans is going to turn back the copyright clock."