last question problem stands all for you that you're really excited about challenging in the near future so I think resistance to adversarial examples figuring out how to make machine learning secure against an adversary who wants to interfere it in control with it is one of the most important things researchers today could solve in all domains in image language driving in I guess I'm most concerned about domains we haven't really encountered yet like like imagine twenty years from now when we're using advanced day eyes to do