What constitutes accessible progress for video on demand services?

The accessibility of video on demand (VOD) services, is a hot topic in Australia, the UK and other countries at the moment, amidst calls for legislation to be introduced unless VOD services make acceptable progress in introducing captions and audio description voluntarily. But what constitutes accessible progress? Media Access Australia's CEO, Alex Varley, discusses a current campaign in the UK from major Deaf and blind groups to improve catch-up TV accessibility, as well as potential flow-ons from this campaign to Australian audiences.