Thanksgiving Day e-commerce sales totaled $2.87 billion, up 18.3% year-over-year (YoY).
Data for Cyber Monday sales are expected at around noon eastern time.
You didn't have to get off the couch on Black Friday 2017 to get the best deals.
Online sales are expected to surpass $6 billion Monday, compared with last year's $3.45 billion figure, Adobe said. Adobe says online sales at the 100 largest U.S. Web retailers totaled approximately $7.9 billion on Black Friday and Thanksgiving, marking a almost 18 percent increase from 2016.
According to Adobe Analytics, which measures 100 of the largest retailers in the USA, retailers raked in US$7.9 billion on Black Friday and Thanksgiving, with Cyber Monday expected to bring in another US$6.6 billion.
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Black Friday sales failed to tempt shoppers on to high streets, casting new doubt over the wisdom of British stores' adoption of the United States retail event. Salesforce says 42% of Black Friday orders were placed on a smartphone, and only 49% on a desktop or laptop computer.
Brick-and-mortar retail sales data were not immediately available, but industry analysts noted signs of a decline in physical store sales this year, Reuters reported. Shoppers started lining up as early as 5:45 p.m. on Thanksgiving.
ShopperTrak was optimistic for the holiday shopping season, since there are four Saturdays in December before Christmas.
According to Adobe Insights, 61.1 per cent of shoppers' visits to retailers' websites were for mobile devices, including smartphones and tablets.
Although the numbers hit a record high in the USA, they were still no match for the US$25.4 billion total online sales recorded during the 24-hour Singles' Day sales on Nov 11 - Alibaba's largest shopping festival.