in compressor of course and they have a secret asset on which they test how well you can compress and decompress the test examples so two very different challenges but both very much at the core what we're going to be thinking about today in lecture all right so why in this course it turns out that we've studied a lot of generic models in this course it also turns out that compression utilizes generative models so the better it narrative model the better the compression can be and in fact Jonathan who will cover the second