You can now search through the comments left on all public YouTube videos at youtube.com/comment_search.This is a new feature launched recently on YouTube TestTube.
Liz from YouTube support announced it in a YouTube Help thread. Many are excited about this feature, because it gives them a new way to find videos. The comments can often be revealing about what the context of the video is about.
It also gives many YouTube users a new way to find nude videos:
To be fair, YouTube is very good at filtering out adult videos.
Forum discussion at YouTube Help.
