In the New York area, there’s FreshDirect. In Chicago, there’s Peapod. And across the country there are various Internet-based services, like NetGrocer or Schwan’s, that will deliver certain groceries and other household items to your doorstep, depending on where you live. But does the ease with which you can order up a case of Diet Coke or a package of organic grass-fed beef without ever leaving your home mean your local grocery stores are on the way out? [More]