http://www.readwriteweb.com/archives/japan_top_web_apps.php
Read/Write Web の Top Web Apps in Japan という記事で、mixiとかはてなとかを取り上げてる。視点が違っててなかなかおもしろい。

In Japan, Web 2.0 services introduced by Yahoo! Japan are not doing so well - many of the key Yahoo engineers have moved to Hatena, GREE and other companies

このへんが特にw。てゆーかなんで知ってるの?