http://www.helium.com/knowledge/18647-cell-phone-tracking-a-simple-ping-could-save-your-life.xml Helium.com > Phone Tips & Tricks > Cell phone tracking: A simple 'ping' could save your life en-us Copyright Helium.com Mon, 05 May 2008 19:39:55 GMT Mon, 05 May 2008 19:39:55 GMT