from the AT&T Web site...
"AT&T FamilyMap provides peace of mind by being able to conveniently locate a family member from your wireless phone or PC and know that your family's information is secure and private. First 30 DAYS FREE! At the end of the free 30 days, you will automatically be subscribed and charged $9.99 per month thereafter to locate up to two family members or $14.99 per month thereafter to locate up to five family members unless you cancel service." (more)