lot of variation how things get tested and by looking at how its tested to give you a sense of how complex an environment a certain approach might be able to handle now a natural question you might have is well this is all great there's all these different ways of learning representations but could we come up with a way of optimally representing the world what would that even mean what does it mean to have an optimal reclamation of the world well there's some worried especially trying to get up this so here are some fairly theoretical