His trip, which ends at the Olympics, is intended to showcase achievements in the region.
Social network websites are booming. If only they could turn a profit.
OPEC's only Asian member, it has failed to meet its production quota and is quitting the cartel this year.
Ahead of Beijing Olympics, the international group Justice for North Korea hopes to press China to accept North Korean refugees as defectors, not migrants.
Destruction of its nuclear cooling tower was important but largely symbolic.