Format war clouds e-book horizon - Digits - WSJ

Thinking about making the leap to digital books? First, you’ll need to add a jumble of new lingo to your dictionary: .epub, pdb, BeBB, and Adobe Content Server 4, just to name a few.

The burgeoning marketplace for e-books is riddled with inconsistent and incompatible formats. That means there’s often little guarantee that an e-book you buy from one online store, like the new Barnes & Noble store, will work on popular reading devices like Amazon.com’s Kindle or Sony’s Reader...