The FCC signaled its intent to advance the state of set-top TV boxes this week with a quietly published rulemaking notice. A request for comment (PDF) on "video device innovation" has noted that the CableCARD standard has failed to create the open digital environment for TV that the FCC had planned and that it wants input on how to spur development of replacement technology that would bring Internet access and other features to the traditionally closed-off cable and satellite TV realms.