A method of and system for directing targeted advertising or transmitting information to end users, using wireless or mobile media, including cellular media, is disclosed. In one embodiment, the method and system interconnects (a) advertisers or sponsors, (b) wireless device users (“system users”), and (c) wireless telecommunications companies (“telecoms”), via (d) an intermediary or “hub entity.” The hub entity maintains and controls computer operated software and data bases to direct specific advertising or information to targeted system users; collects subscription fees and distributes advertising fees; and determines the effectiveness of various advertising or information transmitted to specific system users. The method can further be customized for application as an information provider, alert notice or security warning system. In other embodiments the method and system may be applied to work with the membership of an organization, such as credit card companies' cardholders, an insurance companies' policy holders, employees, tenants, or other local, national, or world-wide groups or organizations.