YouTube went offline last night for updating. The new version is live now. Features include the capability to customize the colors and content on your personal profile page, and a new Google Labs-like feature, TestTube, where you can experiment with new YouTube features. The TestTube projects are the interesting thing here.
For example, TestTube has the new Audio Swap feature (previous coverage), which lets you replace your video's audio with a music track from one of several artists that YouTube has made arrangements with. The interface to make the swap is easy, and the selection of musical themes is … Read more