I think this is brilliant. If you can get enough people typing in their current salary you could have a significantly better data source for affluency than the

I think this is brilliant. If you can get enough people typing in their current salary you could have a significantly better data source for affluency than the US census (which is what everyone uses now). That database (completely anonymized of course) that ties location to affluency would be worth a ton to advertisers and marketers. Well done. Good luck!