'Pocket Theaters' Emerge as New Trend A new era is dawning for a "theater in your pocket," or the so-called "palm theater." Just the size of a cigarette pack, portable media players allow people to watch movies, TV shows and online lectures anytime and anywhere. Replacing televisions and computers, these fancy gadgets are attracting more and more viewers. Portable media players are selling like hot cakes in Korea. Industry sources say over 2.3 million devices were sold last year, a 100 percent increase from 2006. Given that some 2.1 million TV sets were sold during the same period, it seems...