digital rights management

Thanks to the ubiquity of Kindles and iPads, the publishing industry must address one of the thorniest issues of digital readers: How do they protect their books from pirates without alienating loyal customers who just want to read their e-books?

A major battle in the digital rights war started Monday as the industry's lawsuit against the largest file-sharing site on the internet, Swedish-based Pirate Bay, began in Stockholm. The $14 million in damages requested from music and film companies is only a drop in the bucket compared to the...