Miracle on the Han River brief compared to other countries who experienced similar situations. Chaebol refers to corporate groups in South Korea, mainly run by families, that exercise monopolist or oligopolist control over product lines and industries. They can be compared with conglomerates of the United States and the Zaibatsu of Japan. Sometimes the Korean military itself is considered a chaebol. During the industrialization period of South Korea, President Park Chung-hee supported the rise of chaebol groups, facilitating the growth of these groups in order to trigger economic growth. Inside the operations of chaebol groups, there are many branches that family members control and operate.
Telecommunications in South Korea than 100 radio stations were broadcasting. Transistor radios and television sets have made their way to the most remote rural areas. Television sets, now mass-produced in South Korea, became far less expensive; most city people and a significant number of rural families owned or had access to a television. Ownership of television sets grew from 25,000 sets when broadcasting was initiated in 1961 to an estimated 8.6 million sets in 1987, and more than 250 television stations were broadcasting. There are three mobile phone service providers: SK Telecom, KT and LG Uplus. South Korea has six national terrestrial television networks