highest users, if i go and ask an emergency room doctor, if i ask t.e.s., if i ask the people at joe healey did hetox, who's your biggest problem? they don't necessarily come up with the people that we know are the highest users because the people who use the systems exclusively in one area, they come to attention. when people are using systems in a lot of areas, they may not ever come up for people to recognize hey, those are the people we need to concentrate on. certainly, these are folks who are suffering with multiple disorders, often several chronic illnesses, and we know or in homeless populations as a whole, but particularly, these populations, high burden of disease, early pathology, and premature deaths. and it's -- actually, it surprised me. if we look at all of the high users, how many of those are actually people experiencing homelessness? and it is well over half, close to 75% of those are homeless. so these things walk hand in hand. so on a practical level, what i do day-to-day, what are my challenges? information is siloed. we have challenge -- if i'm seeing someone any given