Now Playing: 3-7-13 Marketplace

Facebook is rolling out another redesign, with hopes of upping its advertising revenue. The number of people suffering from diabetes has skyrocketed over the past few years. In the age of cell phones, Skype and Google phones, traditional telephone area codes may be going extinct. Scott Tong takes a look at a court case in rural western Pennsylvania that may fundamentally alter how fracking is regulated. And Kai Ryssdal flies a drone and talks to 3D Robotics CEO Chris Anderson about how the machines may become a household item sooner than we think.