History of science and technology in Korea such as the division of Korea and the Korean War that occurred right after its independence. It wasn't until the 1960s 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. As of 2008 South Korea ranked 5th highest in terms of R&D. Park Kye-jung, CEO of Ace Electronics, won the Gold and Silver prizes for his invention of motor and motor-equipped gear at the 23rd Invention and New Product Exposition, he took the gold medal with his invention of a special device that converts vibrations from
Internet censorship in South Korea account operated by the North. In January 2011, a South Korean man was arrested for praising North Korea through social networking sites. South Korean president Lee Myung-bak's year 2011 policies include cracking down on pro-North Korean comments on social network sites like Facebook and Twitter. Reporters Without Borders noted that the government "has intensified" its campaign to censor pro-North Korea material in 2012, as well. The Government of South Korea practiced censorship of gay-content websites from 2001 to 2003, through its "Information and Communications Ethics Committee" (정보통신윤리위원회), an official organ of the Ministry of Information and Communication, under its category