These videos are all from MediaPost's Brightcove video channel and are of the 2007 OMMA Video Conference, held on Nov. 14th in Hollywood, California. While I was unable to attend the conference, a collegue of mine did attend and said that the information covered was very informative.
There are 11 videos in total and they cover various topics from the keynote speech to speakers discussing video advertising and the value, research on internet TV and online digital television video, video SEO, and insider's roundtable and many other great topics. There are hours worth of videos to watch.
They Removed the Videos - Sorry Folks