Shazam, the company whose app uses a phone or tablet's microphone to identify a song or TV show, has partnered with Rdio to offer users full in-app song playback. Previously Shazam kicked users out to a separate app to check out the track. Going forward, people with Rdio subscriptions won't have to deal with such disruptive behavior.
Yes, that's an iPhone screenshot. Android's update is coming soon.
The integration doesn't stop there.