Providing advertising services to others via audio recordings disseminated via local, long-distance, international and cellular communications networks; providing advertising services to others by providing long-distance and cellular telephone time and information on a wide variety of topics in exchange for listening to advertisements; providing advertising services to others by posting advertisements on a web site accessible via a global computer network, accessed by individuals to set up ground-based and cellular telephone service accounts, receive PIN numbers for telephone service accounts, and to replenish their accounts; providing advertising services to others by gathering information on individual consumers’ preferences and offering long-distance and cellular telephone time and information on expressed topics of interest in exchange for listening to advertisements on a ground-based or cellular telephone network or viewing advertisements on a global computer network; providing advertising services to others by gathering information on individual consumers’ preferences and using that information to direct appropriate advertisements to individual consumers