"This is, we think, just the beginning of what could become an entirely new medium, in which texts are merely one component of a larger multimedia experience, " wrote Lauren Indvik for social-media blog Mashable.

CNN: Narnia's 'Dawn Treader' sails enhanced e-book wave

Few Argentine economists doubt that tax cuts, in the medium run, are a vital component of better competitiveness.

ECONOMIST: Keeping the reform alive | The