Niconico - Wikipedia
Niconico (ニコニコ, Nikoniko, lit."Smile"; formerly Nico Nico Douga (ニコニコ, Niko Niko Dōga); abbreviated Nico-dō) is a Japanese video-sharing service on the web. "Niconico" or "nikoniko" is the Japanese ideophone for smiling. As of September 2015, Niconico is the tenth most visited website in Japan, according to Alexa traffic rankings. The site won the Japanese Good Design ...