See http://www.otoy.com/130501_OTOY_release_FINAL.pdf http://www.otoy.com/130501_OTOY_release_FINAL.pdf, linked from https://brendaneich.com/2013/05/today-i-saw

See http://www.otoy.com/130501_OTOY_release_FINAL.pdf http://www.otoy.com/130501_OTOY_release_FINAL.pdf, linked from https://brendaneich.com/2013/05/today-i-saw-the-future/ https://brendaneich.com/2013/05/today-i-saw-the-future/. Watermarking is possible via GPU clouds, OTOY has demonstrated this. The acceptability of it in lieu of DRM came from a Hollywood 6 member. I can't say more, but there is hope.