Rene Ritchie (via John Gruber): Back on September 9, 2009, Apple introduced iTunes Extras, an HTML5-based way for studios to include digital versions of director’s commentary tracks, behind the scenes videos, and the other kinds of bonus material commonly found on DVD and Blu-Ray. The original OS X 10.4 Tiger-based Apple TV was updated to … Continue reading No iTunes Extras on Apple TV or iOS