One of the most interesting ways that things are changing within North Korea is in their access to information. One of the key ways that they have gotten access to information is through the markets in North Korea. Seeing DVDs from South Korea and the United States has really changed their perception, not only of the rest of the world but has also made them challenge their own reality.
There are organizations that smuggle these DVDs in or USB keys into North Korea. This allows them to get access to this information in private. Much of this content provides corrective history, telling them the truth of the famine, telling them the truth of the regime.
Sungju, I'm sure you have stories or know of friends who were influenced by the outside media they were exposed to.