So Seedance is good primarily because of TikTok and this because of YouTube. I wonder what portion of all recorded video is privately held in hard drives at peo

So Seedance is good primarily because of TikTok and this because of YouTube. I wonder what portion of all recorded video is privately held in hard drives at people’s homes or Apple photos. Of course there is data labeling and cleaning but is the next evolution just a question of access? Same goes for LLMs. Would people be willing to sell their data? Kind of a messed up way to make yourself obsolete. Or there is a limit to scaling?