Officials with the 2018 PyeongchangWinter Olympics have now confirmed that local intranets at the games were hacked as the opening ceremonies commenced. If one of the athletes wanted to defect, the time is right - but that's not likely to happen, experts say.
After heavy investment, the Winter Games in PyeongChang will be much more than a showcase for athletes.
Despite favorable coverage in the South Korean media that largely ignored the horrors inflicted on North Koreans by Kim's regime, many ordinary South Koreans were skeptical of the North's motives.
Though this is not the first time athletes from the two countries have entered the Olympics together, it would take an extraordinary sporting feat to usurp the Koreans' march as the predominant moment of the games.
According to South Korea's Yonghap News Agency, internet-based telecasts were disrupted, and some people who bought tickets online for the opening ceremony said they couldn't print their tickets.
The invitation was issued through Kim's sister, Kim Yo Jong, who was attending the Games with the North's ceremonial head of state Kim Yong Nam. The vice president also drew criticism from some openly gay members of Team USA, who questioned his role at the Olympics due to his anti-LGBT views.
Arirang is a Korean folk song that dates back before the peninsula was divided in 1945.
But Pence did not join the joyous welcome for the Korean detente: he remained seated with his wife, Karen Pence, and Japanese Prime Minister Shinzo Abe, while others in the VIP box rose to cheer on the Koreans.
A senior United States administration official told reporters that Pence did not discuss North Korea's invitation to Moon when the two leaders watched short track speed skating together.
"Kim Jong-un has no intention of giving up his nuclear weapons", said Cheon Seong-whun, a former presidential secretary for security strategy and now a visiting research fellow at the Asan Institute for Policy Studies in Seoul. Pence also heard from North Korean defectors. Pence spoke in an interview on his way home from the Winter Olympics.
North Korea has been accused of involvement in a number of cyber incidents, including WannaCry - although it has slammed that accusation as "absurd".
Some of NBC's opening ceremony larding was the result of wedging commercial breaks into the broadcast longer than planned gaps in the proceedings accommodated.
South Korea's Moon, however, left no doubt about his aspirations for the Games.
"What we honestly don't know yet is why it is historic", Ramo said.
Before flying south, she said, she had expected "things would be very different and unfamiliar", according to a statement from Moon's office.
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