The oldest evidence of writing in Indonesia is a series of Sanskrit inscriptions dated to the 5th century. Important figures in modern Indonesian literature include: Dutch author Multatuli, who criticized treatment of the Indonesians under Dutch colonial rule; Sumatrans Muhammad Yamin and Hamka, who were influential pre-independence nationalist writers and politicians; and proletarian writer Pramoedya Ananta Toer, Indonesia's most famous novelist. Many of Indonesia's peoples have strongly rooted oral traditions, which help to define and preserve their cultural identities.
Media freedom in Indonesia increased considerably after the end of President Suharto's rule, during which the now-defunct Ministry of Information monitored and controlled domestic media, and restricted foreign media. The TV market includes ten national commercial networks, and provincial networks that compete with public TVRI. Private radio stations carry their own news bulletins and foreign broadcasters supply programs. At a reported 25 million users in 2008, Internet usage was estimated at 12.5% in September 2009. More than 30 million cell phones are sold in Indonesia each year, and 27 percent of them are local brands