Duration: 01:08

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Duration: 01:22
...from his Web 2.0 Expo presentation in 2008. Complete clip at http://blip.tv/file/855937

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Duration: 00:54
...from his Web 2.0 Expo presentation in 2008. Complete clip at http://blip.tv/file/855937

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Duration: 00:44
Wir machen das mit den Fähnchen...

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