Nintendo just bought a stake in NicoNico Douga's parent company Dwango. The company provides content via smartphones, but Nintendo says it won't be using Dwango for that. More on Siliconera.

At this weekend's NicoNico event, the Prime Minister of Japan wasn't the only one decked out in a fancy outfit. There were also tons of cosplayers. Here's a short round-up.

In Japan, NicoNico is coming to the Wii U as a free app.