South Korea under the dictatorship of Park Chung-hee where South Korea's economy rapidly grew from industrialisation and the Chaebol corporations such as Samsung and LG. Ever since the industrialization of South Korea's economy, South Korea has placed its focus on technology-based corporations, which has been supported by infrastructure developments by the government. South Korean corporations Samsung and LG were ranked first and third largest mobile phone companies in the world in the first quarter of 2012, respectively. An estimated 90% of South Koreans own a mobile phone. Aside from placing/receiving calls and text messaging, mobile phones in the country are widely used
Multicultural family in South Korea also includes the families of foreign workers, North Korean refugee families, and ethnic Korean families moving to Korea. The first category, international marriage families, refers to a family consisting of a married Korean citizen and a foreign spouse. The second category, the families of foreign workers, includes those that foreign workers bring with them to Korea or new families formed by foreign workers in Korea. Most of those families include children. The third category, North Korean refugee families, is composed of residents from North Korea with the official registration. These people have left North Korean society with various motives. In