is a Japanese textboard. In 2007, 2.5 million posts were made every day. Launched in 1999, it has gained significant influence in Japanese society, comparable to that of traditional mass media such as television, radio, and magazines. During 2008 the site generated an annual revenue upwards of ¥100 million for its founder Hiroyuki Nishimura. The website was previously operated under Packet Monster Inc., a company based in Chinatown, Singapore, between 2009 and 2014. It has been described as "Japan’s most popular online community, with around ten million users accessing it each day."

is a Japanese textboard. In 2007, 2.5 million posts were made every day. Launched in 1999, it has gained significant influence in Japanese society, comparable to that of traditional mass media such as television, radio, and magazines. During 2008 the site generated an annual revenue upwards of ¥100 million for its founder Hiroyuki Nishimura. The website was previously operated under Packet Monster Inc., a company based in Chinatown, Singapore, between 2009 and 2014. It has been described as "Japan’s most popular online community, with around ten million users accessing it each day."