YouTube removed the overlayed logo from its embedded player and added the branding to the small menu button, similar to Google Video.
The old player:
The new player:
I'm not sure if this is a new feature, but YouTube's embedded player supports keyboard shortcuts. Once the player has focus, you can press:
* space to pause the video and then resume it
* the right arrow to fast forward
* the left arrow to replay the video
* the up/down arrows to adjust volume.