Google seems to have updated their YouTube embedded player to include two new options:
More Info showcases the usual information about the video like channel name, likes/dislikes and the ability to subscribe to the channel.
The more useful feature is the Share option which loads up a new screen with all the sharing options:
1. URL of the video
2. Embed code of the video
3. Email the video
4. Sharing the video on social networks like Twitter, Facebook and more.
5. Ability to give the video a +1