The U.S. healthcare system is a $3.2 trillion industry, and Amazon.com Inc. is positioning itself to take a share of it. In this segment, Internet Health Management editor Mark Brohan explains how e-retailing's leader is getting into the healthcare space more significantly--Amazon's AWS unit powers Healthcare.gov, for instance--and the waves it is creating for other healthcare players. Internet Health Management is Digital Commerce 360's news site that explores how the internet and e-commerce technology are changing how consumers research, pay for and manage healthcare.

The Global 1000 Report from Internet Retailer's research team ranks and analyzes the 1000 largest online retailers in the world based on their sales. In this episode, the report's author, Don Davis, describes the biggest global trends he uncovered, including the growing value of online marketplaces and market leaders including Alibaba, Amazon and Walmart.

Internet Retailer digital editor Tracy Maple answers questions about the back-to-school shopping season, including spending projections and the digital marketing techniques being deployed by retailers.