Mobile still accounts for a fairly small share of total retail sales, and, in many markets, even of digital retail sales. But retailers are feeling the impact of mobile devices. In 2014, a little over half (57%) of retailers worldwide surveyed by payment solutions provider Payvision reported experiencing major growth in m-commerce sales. Among the total, 33% strongly agreed that growth was significant—already a sizeable share. But by 2015 the evidence in favor of m-commerce was overwhelming. Nearly half of respondents were now in the “strongly agree” group, with an additional 34% agreeing more generally. Overall, 79% of retailers worldwide were undergoing major m-commerce growth this year. Read more at eMarketer.