Molto interessante
http://youtube.com/watch?v=GM02Hejw02s
Da seguire…
http://blog.nihilogic.dk/2008/06/youtube-annotations-and-javascript.html
http://www.wait-till-i.com/2008/06/04/youtube-now-with-annotations-can-we-get-those-as-an-api-please-captioning/