We found it. Anyone can switch your twitter to Japanese menu (and advertising!) from [Settings]->[Account tab]->[Language drop down]-[Japanese]. Or if your browser’s language settings precedes Japanese, you will see Japanese interface on twitter.com
Here you are,
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At top of the sidebar, you can see an ad box, which is planned to be backported to English version.
The JP domain – twitter.jp -, which we expected a Japanese version, is merely forwarding to twitter.com . Whether it is owned by twitter or not is unknown. (confirmed that twitter Inc. owns twitter.jp [J])
Top page before login also can be switched to Japanese,
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What kind of ads?
Now I’m seeing following ads on Japanese twitter.
- Toyota
- en-Japan (outplacement service company)
- two twitter guidebooks (kind of “twitter for dummies” books)
- twitter API guidebook
Toyota’s ad takes you to the page which encourages you to follow their portal Gazoo.com.
See Also:
twitter Japan launched … where?
Press Conference on Ustream [Live]
[Update]
Press Rrelease by Digital Garage [J]
Official twitter blog (English) mentioned
Digital Garage founder Joi Ito’s blog