Global mobile commerce (m-commerce) spending is projected to increase from $204 billion in 2014 to $626 billion in 2018. M-commerce sales in the US are expected to reach $90 billion by 2017, a 48% increase from 2012. Factors driving the growth of m-commerce include widespread wireless connectivity, rising broadband infrastructure, decreasing smartphone costs, and convenience of mobile payments and apps. By 2020, m-commerce is projected to account for 45% of all e-commerce revenue.