Cellphones offer way to track the kids: "A cellphone may be the fashion and lifestyle accessory youths clamor for today. But what happens when it morphs into an electronic ankle bracelet that can be monitored by Mom and Dad?

"It's a scenario that's rapidly approaching, as wireless carriers sell more and more phones with embedded Global Positioning System receivers that can show the location of a phone to within 10 or 20 yards, as long as the phone is turned on."