case is big quarter of a million might be nothing you might not even lose a single thought on that but for most companies in most departments spending quarter of a million I'm just building up a label dataset it's a significant challenge because at that point you haven't built a single classifier at that point you haven't deployed anything in production you basically haven't shown any value and this is a problem and this is why we argue that supervised learning and especially supervised deep learning is just very often not feasible because