YouTube is a popular video sharing website which was acquired by Google for US$1.65 billion in 2006. Now Google says they don't know how to make money from YouTube. From the article:
A whole new industry' could be created around video advertising on the web, Google said, but it's not sure how. Google has said that it is still unsure how to make money from YouTube, the enormously popular video-sharing website it owns, but hopes to be able to do so soon.