machine learning you would like to make sure that people can't get it to do what they want rather than what you want just by showing it a funny QR code or a funny input pattern and you think that the set of methodology to do that can be bigger than you want domain and that's I think so yeah yeah like one methodology that I think is not not a specific methodology but like a category of solutions that I'm excited about today is making dynamic models that change every time they make a prediction so right now we tend to train models and