ニコニコニュースメーカーを使ってみる - H-Yamaguchi.net

This is Hiroshi Yamaguchi's personal weblog. It aims to be an incubator as well as an archive of my ideas and thoughts. Possible topics include: finance, business administration, economics, prediction markets, virtual worlds, and other issues.

[yyamaguchi]

なんかこういうの昔の筒井康隆とかのSF小説で読んだことがあるようなないような。