"Growth Share Matrix" of blog tools markets in USA vs Japan.
Elise Bauer's US weblog tools market is shown on the top. On the bottom is my rough translation of the Japanese graph made by Masahiko Satoh for the Japan market.
CLICK FOR FULL SIZE GRAPH HERE

From the graphs above you can see that the Japanese market is very fragmented and great opportunty exists for a company that has a better product and very DEEP pockets.
Read Elise Bauer's paper here:
http://www.elise.com/web/a/weblog_tools_market_update_february_2005.php
Refer to Masahiko Satoh's explanation
http://www.masahikosatoh.com/archives/2005/02/asp.shtml