Consumers are getting more comfortable every year with purchasing online or through their mobile phones. How much of that purchasing is through ecommerce? eMarketer reports and forecasts include data and statistics on total retail sales, (including growth, and penetration figures) for retail ... ecommerce and retail mcommerce, and each category can be broken out by country, region or by company. eMarketer tracks ecommerce sales on Amazon, including its retail ecommerce sales, Amazon direct sales and Amazon Marketplace sales. Other companies tracked include Apple, Best Buy, Costco, eBay, Home Depot, Macy's, QVC, Walmart and Wayfair. eMarketer's reports, charts, interviews and forecasts provide you with data and insights to answer a variety of questions such as:Show MoreShow More