[ubuntu] Watching youtube vids without flash player

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http://ubuntuforums.org – I use the live Ubuntu disc a lot. Doing that, I'd like to have YouTube play me some background music. When I go to YouTube, I can't watch any vids because it says it's missing plugins. (and I can't install those on the live disc). However, when I see a youtube video embedded on another website, it actually is possible for me to watch it! It's kinda weird and really interesting. Do you maybe know a way that I can also watch youtube vids on youtube itself without the plugin? (Hardware)