Mm - hmm. Cost.
There 's just plain cost ,
Yeah. That 's a big one.
you know , so  so these , I mean th the  in the  in the speech side , the thing that @ @ always occurs to me is that if you  if you  uh  one person has a system that requires ten thousand hours to train on , and the other only requires a hundred , and they both do about the same because the hundred hour one was smarter , that 's  that 's gonna be better. because people , I mean , there isn't gonna be just one system that people train on