PT A logjam is breaking in digital publishing.
More brainstorms are on the way.
A flood of new technologies and business alliances is breaking down barriers to digital books, just as the audio file format called MP3 popularized online is shaking up the music world. The breakthroughs are leading authors to bypass publishers, retailers to become publishers and publishers to become bookstores. Xerox Corp. is collaborating with Adobe and accelerating efforts to market its own copyright-protection scheme. Microsoft Corp. is discussing similar technology, along with software that makes text much easier to read on a computer screen. Paper isn't going away.