First Announced at CES 2008, Yahoo GO 3.0 Beta must be the most interesting product fully developed at Yahoo and the one that has improved the most with the addition of services like OneSearch, OnePlace and OneConnect. if you were using a Windows Mobile Pro device. you were out of luck because you could not used. absurd considering it was out for Standard.. but now you can use it and enjoy of mobile widgets and widgetized apps in your phone with it, via Yahoo GO 3.0 mobile portal.
Another cool this is that if you used the service before in other device it is quite likely to remember your settings in that device and show as if you had never stopped using it.