If you want to share the link for the HD 720p Youtube video version, all you have to do is add &hd=1. Youtube HD version video link For example, here is a link for a Youtube musc video by Schiller. http://www.youtube.com/watch?v=dQlxjSm0qU0 Here is that same version video that will be HD by default when opened. http://www.youtube.com/watch?v=dQlxjSm0qU0&hd=1