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Highlights cellular telephone service carriers that offer family plans.

Focuses on the ways in which cellular telephones have become a part of older people's lives in the United States. Use of cellular telephones by older people to keep in touch with their children and grandchildren; Report that half of U.S. citizens ages 65 to 74 own mobile telephones; Statement that the wireless industry focuses its marketing efforts to younger people; Services offered to older cellular telephone users. INSET: When Friends Are Family.

Examines the efforts of wireless companies to attract students. Cellphone use among the young; How that gives the cellphone companies a large sales opportunity; AT&T classes on cellphones featuring the latest technology; Marketing through sponsorship of the "American Idol" television show to reach the target audience; Affection for text messaging by the young; Why parents like their children to have cell phones and why teachers do not; How parents can limit the amount of time a teen is on the phone.

Focuses on the health risk of radiation among cellular telephone users.

Provides information on wireless signal communication and the utilization of cellular phones.

Discusses the technical problems experienced by many cellular telephone users. Surge in the number of complaints received by wireless providers about a lack of reliable service and signal strength; Struggle of providers to match network capacity with the rapidly increasing demand for cellphones; How overloaded networks result in disconnected calls and other problems for users; Outlook for expansion of cellular sites. INSET: Tests Continue, but Radiation Risks Remain Unproven.

Focuses on the move of advertisers in the United States in tapping cell phone subscribers with text messages to reach customers. Details on the advertising tests to be conducted by SkyGo on its Boulder, Colorado users; Challenges faced by companies planning to user cell phones for their advertisements.