#Walmart: US #ecommerce sales exp +44.2% Y/Y to $41.01B in 2020 (2019: +36.8%), #2 far ahead of #3 #eBay (exp +3.0% Y/Y), still far behind #1 #Amazon. #digitalmarketing #mcommerce #retail #retailmarketing #COVID19 #coronavirus #mobile #mobilemarketing $WMT $EBAY $AMZN