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
Chaebol lines were critical. In the 1950s and early 1960s, chaebol concentrated on wigs and textiles; by the mid-1970s and 1980s, heavy, defense, and chemical industries had become predominant. While these activities were important in the early 1990s, real growth was occurring in the electronics and high-technology industries. The chaebol also were responsible for turning the trade deficit in 1985 to a trade surplus in 1986. The current account balance, however, fell from more than US$14 billion in 1988 to US$5 billion in 1989. The chaebol continued their explosive growth in export markets in the 1980s. By the late 1980s, the