A few more tidbits on the Softbank Mobile turnaround, for which helped architect the mobile platform.
SoftBank phones have a “Y!”-button which links to Yahoo!-keitai. Yahoo-Keitai! offers a list of official sites, new services (e.g. a new communicator service), and also access to free mobile internet sites through the YAHOO directory, as well as access to YAHOO services, such as YAHOO-auctions.