Two purposes: 1. Discovery - the YT integration becomes your own radio while you're on G+. 2. Sharing - brings the ability to share the YT videos you're listen

Two purposes: 1. Discovery - the YT integration becomes your own radio while you're on G+. 2. Sharing - brings the ability to share the YT videos you're listening to currently easily on G+. In one swift motion, it nullifies the need for other radio sites like rdio, Spotify, <INSERT_NEW_COOL_INTERNET_RADIO_STARTUP_HERE>