YouTube invite you to play along with by participating in one of their latest TestTube experiments dubbed "Cosmic Panda," which is launhced today on July 7th, announced YouTube team.
Also, note, that YouTube now has "nearly 8 years of video uploaded and 3 billion views logged every day on YouTube."
To take this experiment for a test drive go to http://www.youtube.com/cosmicpanda and click "Try it out!"
Once you're in the experiment, much of YouTube will look different, including videos, playlists and channels.
Here's what browsing a channel in the experiment looks like:
And here's what the playlist viewing experience looks like in the experiment:
[Source: YouTube blog]