Nob Seki points us to announcements that AOL Japan and NEC will be both launching blog services (6 months too late to the game)
Sync A World You Want To Explore: NECу≈AOLÑ««Ñ…ÒÑ…?Ñ«?Ñ…™Ñ«µÑ…∫Ñ…ÏÑ«?
UPDATE: thanks for the correction Gary. I really ought to learn how to read Japanese, huh ;)
NEC is Biglobe. Nifty is Matsushita - the guys who do Cocolog.
Well, here's another one jumping on the bandwagon for you.
http://www.we-blog.jp/index.php