Societą analizzate : Alladvantage | Cashsurfers | Desktopdollars | Desktophorizon | Dotad | Extrasalary | Getpaid4 | Gotoworld | Itadsup |Mvalue | Paidforsurf | PayBar | PaysU | Prizewindow | Profinity | Sharkhunt | Spedia | Surfad | Surfmiles | Utopiad | Vipbenefits