kind of you know I think it's it's a great example of how there's so many pieces that built on top of each other and you know there's so many different authors and so many different institutions that really contributed to this and you know even given that open area there's been a lot of climbers that have pushed on this stuff over the last few years and you know it really you see it just evolved like so many different pieces of the research with all the different you know things being brought to bear new models new datasets you know