the difference there, though, is that the north koreans are very good at self-censorship. meaning they know what web sites they re not supposed to visit. analysts say for a wider group of north koreans there is an internal system that looks like the internet but isn t, it s called bright light. it s a domestic intranet. it connects through universities and libraries. there are a few web sites on there that mostly carry information from the government and then some scientific or sort of technical data. reporter: but it doesn t go beyond the bounds of north korea. the only way the global internet gets in and out of the country, experts say, is through a single cable routed to servers in china. so how does north korea s leader use the internet? there was an interesting episode that the south korean intelligence discovered, the gangnam style was checked on his web site six times and it s inside pyongyang near kim
for a wider group, there is an internal system that looks the same but isn t. it s called bright light. it s a domestic internet which connects to universities and libraries. there are a few websites on there that mostly carry information from the government and then some scientific or technical data. reporter: but it doesn t go beyond the bounds of north korea. the only way the global internet gets in and out of the country, experts say, is through a single cable routed to servers in china. so how does north korea s leader use the internet? there was an interesting incident, it was on the bwebsit six times. and he said he was the one who used the internet web surfing to see the site.