As part of its quarterly earnings release today, U.S. Cellular announced that it will begin carrying Apple products later this year, although the carrier offered no additional details on its plans."We have a number of strategies in progress to increase loyalty and attract more customers, including our announcement today that we will begin offering Apple products later this year. By further strengthening our device portfolio, we'll give consumers another great reason to switch to U.S. Cellular, and enable our existing customers to choose from an even wider variety of iconic smartphones, and enjoy the outstanding U.S. Cellular customer experiences they deserve. Our smartphone penetration is currently 43 percent of core market customers and growing quickly. We believe there will be strong, ongoing demand for smartphones and data products and services from our customers, and we have significant room for grow