Promoting the cellular and mobile telephones and telephone service agreements of others by means of operating and staffing kiosks on the premises of retailers and distributing advertising materials for such equipment and services through a variety of methods; retail telephone kiosk services, namely, operating and managing in-store kiosks in stores of others; providing product comparison information in the field of wireless, cellular and mobile telephones and service agreements for such telephones; providing consumer product comparison services in the field of wireless, cellular and mobile telephones and service agreements for such telephones, namely, providing information to consumers about such telephones and the service agreements for such telephones; assisting wireless customers in obtaining rebates from manufacturers of wireless, cellular and mobile telephones and service providers for such telephones by providing information about available rebates and assisting consumers in completing applications for such rebates; offering of rebates of manufacturers and service providers to wireless, cellular and mobile telephone customers through providing coupons and rebate request forms, and processing wireless carrier rebates for the goods of others; administration of a program for enabling participants to obtain discounts or rebates on goods and receive improved services in the field of wireless, cellular and mobile telephones