 really a public service now people say why would someone do this for you know i want to explain this because he wants to gather information about the entire market why well if somebody calls him to list he can say you know what there were some comps over here some comps over there he gets smarter and better for it but also he provides a service for you and if you decide that's really what i can get for this house i want to sell it maybe you'll use them maybe not but that's truly what he does