Google announced today that it is adding a free tier to its Google Play Music service. The new feature provides non-subscribers with what Google is describing as an ad-supported radio option with curated stations. Google Play Music's radio option will be available for users in the United States at launch with availability on the web starting today and support on iOS and Android following soon. Similar to Apple's approach with Apple Music, Google says it has "music experts" creating these "curated" playlists: Read more of this post