talking about how arm designs are the easier life then lower bound improvers in fact we are deep connections between the two subjects that we just don't understand yet we know for sure that they are there we have sort of glimpses of connections we but there is certainly something more under the hood that we've got to know and so I'll tell you about the glimpses that we have so the main idea I guess the one thing I would like to you to try to take away from this talk is this thing in this box designing algorithms is as hard as proving lower