The holiday season is a time when we know consumers are spending. Almost every year holiday retail sales are predicted to outperform any previous season. Online and mobile won the holidays in 2017. eMarketer reports that US retail ecommerce sales jumped 17.8% during the 2017 holiday season, a big increase that helped push total retail sales up 5.5% in November and December. They originally expected ecommerce to climb 15.8% and total retail growth to slow to 2.0%. (1)