Via @eMarketer, exp 10.5% decline in total US #retailsales, 14.0% decline in brick-&amp;-mortar sales in 2020, 18.0% increase in ecommerce sales. #digitalmarketing #mcommerce #retail #retailmarketing #mobile #mobilemarketing $AMZN $WMT $TGT $BBY $M $KSS $JCP