Prime Now offers Prime members in Manhattan free two-hour delivery or one-hour service for $7.99.
Amazon led online retail's holiday surge, along with other third-party marketplaces like Google Shopping and Newegg.
Average order sizes fell 3.5% on the biggest day of the year for Web sellers, but legions of consumers willing to buy via mobile sent total sales up nearly 9%.
Shoppers are using deals and digital methods to buy more items, according to IBM's Digital Benchmark, and they're largely relying on desktops to do it.
Shoppers aren't spending more on the Web, but a bigger base of digital shoppers—especially via mobile—posted a 17% increase in online sales over the weekend.
New York and LA top the list. Warm weather cities show a proclivity for mobile purchases.
An American Express survey predicts purses will loosen, while a government report says they'll likely stay shut tight.
Consumers will take greater advantage of digital deals, while retailers will see more click-throughs thanks to improved application of data analytics.
The senator from Texas charges they would penalize catalogers and Internet retailers to support big brick-and-mortar retailers.
Santa's not the only one making holiday lists for young folks. Accenture is, too, and here's its handicapping of millennial shopping for Thanksgiving and the day after.