N. Korea's denuclearization remains top priority: U.S. official
By Lee Haye-ah
WASHINGTON, Aug.
SEONGNAM, South Korea, Aug.
By Lee Minji
By Lee Haye-ah
SEOUL, Aug. 5 (Yonhap) -- South Korean smartphone users change their devices every 14 months, with teens changing their handsets in less than a year, a poll showed Wednesday.