2channel is an anonymous Japanese online forum that was launched in 1999. It allows users to post and discuss a wide range of topics, from hobbies and entertainment to current events and technology. The platform is known for its free speech environment, where users can express their opinions without revealing their identities. Over the years, 2channel has influenced internet culture in Japan and has been a source of memes and trends. It has also inspired other forums and websites, including 2ch.sc, which serves as an alternative version. The site remains popular for its diverse discussions and unique community dynamics.