idea ofevolve, the development and evolution over time, that is an important theme of this. even in this current release, there is some utility in this information. we heard a little bit about this today already. it is useful in raising awareness of variation. the pervasiveness that we see out of the data. in understanding some of the factors in that variation. obvious, and so dr. cutler mentioned this, useful in bringing transparency around what things cost. just the basic information there. i think claims data provides what i call a spring view of clinical phenomena. useful for some things and not so useful for other things but am useful dimensions around volume and the service mix. i am not in practice anymore. but i looked up some of my friends to see what their practice patterns looks like very particularly interesting for those where you would expect they were great deal of information, concentrated the senior population. it is important and it will evolve all the dashed over time. it will provide useful insight even in the current and somewhat limited form. what are i