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关于 niconico
Niconico, Inc. , known before 2012 as Nico Nico Douga , is a Japanese video sharing service based in Tokyo, Japan. "Niconico" or "nikoniko" is the Japanese ideophone for smiling. As of 2021, Niconico is the 34th most-visited website in Japan, according to Alexa Internet.
来源：维基百科
