comScore, Inc. released an overview of mobile commerce usage across the five leading European markets (France, Germany, Italy, Spain and the United Kingdom) using the comScore MobiLens service. The study showed that the EU5 mobile retail audience nearly doubled over the past year, with 1 in 6 smartphone users accessing online retail sites and apps on their device. In addition, 1 in 8 EU5 smartphone users actually completed a retail transaction on their phones.