On televisions. Most 4k TVs and the increasingly common 4k streaming boxes support 4k playback for the major services that offer it (basically Netflix and Amazo

On televisions. Most 4k TVs and the increasingly common 4k streaming boxes support 4k playback for the major services that offer it (basically Netflix and Amazon AFAIK). I don't know if this has much to do with DRM, or if it's just a matter of supporting HEVC.