The InfoWorld news brief: Yahoo launches cell phone shopping in Japan lets us know that the service has just gone live.
Presently, the Yahoo Mobile service here in the U.S. doesn't offer an interface to Yahoo's shopping database. However, I wouldn't be at all surprised to see shopping added to this mobile platform in the future.
We've posted about a couple of SMS-based (text messaging) shopping services that are currently available in the U.S. They include:New Mobile Phone Search Service
One of the most interesting mobile shopping tools that I learned about in 2004 comes from Amazon.com Japan. They're offering a service that allows the user to access comparison pricing info by simply pointing their mobile phone's camera at a UPC symbol.
This story also points out that if you have a Nokia 3650, you can use the camera to do some comparison pricing for books.