Television in Brazil began officially on 18 September 1950, with the founding of TV Tupi by Assis Chateaubriand. Since then television has grown in the country, creating large commercial broadcast networks such as Globo, SBT, RecordTV, Bandeirantes and RedeTV. Today it is the most important factor in popular culture of Brazilian society, indicated by research showing that as much as 67% of the general population follow the same daily soap opera broadcast. Digital Television, using the SBTVD standard (based on the Japanese standard ISDB-T), was adopted on 29 June 2006 and launched on 2 November 2007. In May 2010, the Brazilian government launched TV Brasil Internacional, an international television station, initially broadcasting to 49 countries. Commercial television channels broadcast internationally include Globo Internacional, RecordTV Internacional and Band Internacional.