On Wednesday, Google unveiled its much-anticipated digital music store, opening a new front in its battle with Apple to provide services over mobile devices. Google Inc. will sell songs on the Android Market with its online store for apps, movies and books. The service will be available over the next few days to customers in the U.S., with plans to roll it out globally. For more go to http://www.ctv.ca/CTVNews/SciTech/20111117/google-unveils-music-store-111117