comScore figures continue to show extremely rapid e-commerce growth, with sales for the week ending March 6 expanding 34 percent over the same week last year. The $1.48 billion of online retail sales comes when sales generally across all channels have been flat, ShopperTrak showing only a 0.4 percent increase over roughly the same period. Online travel sales, which are counted separately, were up 16 percent to $1.29 billion.