Putting online video to the copyright test

As copyright issues loom, online video sites are casting about for ways to screen material for music videos and film clips.

For the past year, the popularity of social networking and video sharing online has lit up the technology sector. The stars of each category respectively are MySpace, with more than 50 million registered users and YouTube, which presents more than 100 million videos daily.

Now powerful entertainment conglomerates increasingly want these sites to strip themselves of copyright material. But the nail-biting truth is that while strides are being made in developing ways to weed out copyright work in audio files, little headway has been made in finding an effective way to review video.
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