In Q3/15, retail e-commerce sales were $87.5 billion, up 4.2% from Q2/15. Total retail sales in Q3/15 totaled $1.185 trillion, up 1.2% from Q2/15. Retail e-commerce now represents 7.4% of all retail sales, up from 6.5% a year ago. Moreover, comparing Q3/14 to Q3/15, the rise in retail e-commerce sales has accounted for roughly 60% of all retail sales growth. Malls, never heard of them.