My 2 cents;
Areas (I'm familiar with)
1- NYC, LI, NY other
2- North Jersey, Central jersey, South Jersey
3- Philly subs, philly, Lehigh Valley, Poconos, West PA
4- South Fla, central Fla, North West Fla
Ability to look up SPA reviews by phone # or name.
Ability to show my present location and link to spas known in that current location. Lord knows I used the hell outta that on the defunct site.
COMMENT: I like the providers posting here. Was surprised to see it but think it could be useful for everybody.