somebody comes to us and says we want to host the competition on earthquake signals I've got to spend time learning about that so I can understand I can ask the right questions when Kaggle was acquired by Google all of a sudden we now and we using our local machines that now we're using GCP VMs right so learning kind of that system stuff I hate to bring this up but we constantly also try to learn the new ways that leakage can enter the data because there's so many thousands and thousands of ways insidious ways for leakage to go