So you found a funny video, and you are sure that YouTube is going to take it down, your only option is to download it. Do it for posterity.
Here is a new video from how to download your favorite youtube clips on to your hard drive. You can click the link immediately here : http://www.youtubeloader.com To watch the downloaded movies you can use vlc which you can find here : http://www.videolan.org/vlc
How To Download YouTube Videos
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