welcome back. in today's "big i" urbanites are helping to build the cities of america's future. jeff chu is a writer and editor with "fast company," compiling a list of top innovations in east state plus the district of columbia. the first state on the list today we have is new jersey. what impressed you in new jersey? >> in new jersey we went to camden and found a doctor named jeffrey brenner. he's a data geek and he crunched the numbers and he found that just 1% of the patients were responsible for 30% of the health care costs in camden's hospitals and clinics. so his idea was to target these people for special care which has slashed their numbers of emergency their number of emergency visits and cut the bills they were racking up that the taxpayer had to pick up in the end. we thought it was an innovate