Lending a bit of credence to the notion that it'll have life beyond LightSquared, an insider at FreedomPop is now suggesting that it'll debut a case for the iPhone 4 / 4S that features a WiMAX radio, hotspot capabilities and delivers a free (albeit, limited) data service. This rumored accessory would complement the company's two previously known devices, which include a USB dongle and a dedicated hotspot. For those unfamiliar, FreedomPop aims to take on a role similar to NetZero -- it's said t
