My parents like to track me on their smartphones. It helps them feel connected, and they can live the exciting life of a Des Moines journalist vicariously. They generally can tell within nine to 15 feet where I am, though at times I’ve noticed the phone seems to be telling them I’m six miles away from my actual location. That could be trouble, depending on what kind of shady locations are within six miles. But now comes word from Fast Company that smartphone GPS systems will soon be accurate to within a foot. Read more