In order to catch up with the new site design of youtube.com Bitsphere has moved some videos from public to private access. This are some videos with little relevance outside this blog. However, two or three of the old posts from back in 2008 has no more access to the videos and are not displayed as intended then.
The relevance of the Bitsphere youtube channel on the other hand is more concentrated now and the youtube channel is more than a cloud storage for the Bitsphere videos.
Enjoy the public videos there or subscribe to the video channel!