Yeah.
But , the reason why I haven't focused on that as the fir my first concern is because um , I 'm interested in what happens for people , random people out in some random place where they 're p having an impromptu discussion. And you can't just always go , " well , let 's go to this heavily instrumented room that we spent tens of thousands of dollars to se to set up ".
Yeah.
No , what you need to do is you 'd have a little fabric thing that you unroll and hang on a wall.