Understanding a technology is potential disruptive is one thing. Getting it to that stage is another. The directory container of the file group is given before. I am recognizing it as a media release and it requires marketing and a trailer for it. I am still surprised by what has been done even at this stage. The use of music is really challenging my understanding. MP4 recording     MP3 recording -- -- Your browser does not support the audio element. http://lessonpeer.com/drhillteach/QNS18Oct6/ Click the above link for the suite of podcasts.  I have to work out the next moves.