A meaningful portion of the big ebook publishers in Germany — where Kindle has lower market share than in many other developed ebook markets — is moving away from formal DRM to digital watermarking instead. Holtzbrinck’s trade imprints are the latest to make the move, as of August. Their lines include Droemer Knaur, Kiepenheuer & Witsch, Rowohlt and S. Fischer. Bonnier Germany dropped DRM on their ebooks as of July 1, and other German publishers of note including dtv, Hoffman & Campe, and Luebbe gave up DRM earlier in the year. Separately, Booktrack has raised an additional $5 million in Series B financing, with the […]