Wow, I am surprised at some of these answers. This reminds me of the Verizon commercial with the child at the mall.
"So heres your moment of truth, mom. Which 3G Network would you trust to run apps like Family Locator, when it matters most?"
Then it shows her handing her daughter a phone and immediately checking her every move. Really? That's what you guys are advocating? Apparently this woman doesn't even trust her daughter in the mall with a group of her friends, a mall the mom is in no less. God forbid this girl turns 16 and get's a car. If it wasn't for technology her mom would spend her life savings on a full time private investigator for 2 years...