Not surprising to hear today that yahoo is launching a mobile phone service called Go Mobile that will be a bigger thing that the existing Yahoo Mobile, for sure. With 400 million Yahoo users, that’s a scale enough to create an economy comparable to a small country. It already has a Skype-like service, called Yahoo Messenger.

Nokia is partnering with Yahoo in Go Mobile. Likewise, as reported by Endgadget, Google has already struck a deal with Motorola for a similar venture. Interesting to watch how search engines will be battling for the tiny real estate on your phone…