See this YouTube experiment, very much in development, called "Cosmic Panda". It is a new interface for its videos, playlist and user channels.

According to YouTube, here's what to expect:

• A new experience for watching videos and playlist
• More page designs and better editing tools to customize your channel
• Keep watching watching when moving between videos, playlist, and channels (Chrome only)
• Stylish new look and feel

In its announcing blog post, YouTube says: "We are obsessing night and day over how videos are presented. Our team is constantly experimenting, tweaking and playing with new ways to make your experience exactly what you're looking for."

However, this aesthetic revision has not been welcomed by the users. 

Now opting into Cosmic Panda is open to the public. Just visit this page. You can get back to the old version at any time.