While Sony helped pioneer the market for e-book readers using sophisticated electronic ink technology, it had fallen behind Amazon in the race to transform electronic readers into mass market devices.
There are two different categories of mass media, i. e. electronic media and print media.
现如今有两种不同类别的大众传播媒介,即电子媒体和印刷媒体。
3
Dorchester, the oldest publisher of mass-market paperbacks in the U.S., has made the decision to sell all their titles in electronic form and move the mass-market focus from paper to electronics.