E-commerce revenue jumped 21 percent this holiday season over last year as mobile sales continue to climb - 30.4 percent of online sales were placed on mobile devices, according to Custora.

B2C e-commerce in Canada is dominated by U.S.-based retailers, according to a report from Research and Markets. However, local Canadian retailers could be favored this year by weaker Canadian currency with respect to the U.S. dollar.

Retailers with strong omnichannel initiatives stand to capture market share as consumers take advantage of in-store pickup and inventory look-up.

The National Retail Federation expects sales in November and December (excluding autos, gas and restaurant sales) to increase a solid 3.7 percent to $630.5bn - significantly higher than the 10-year average of 2.5 percent. Holiday sales in 2015 are expected to represent approximately 19 percent of the retail industry’s annual sales of $3.2 tr. Additionally, NRF is forecasting online sales to increase between 6 and 8 percent to as much as $105bn.

Most companies derive mobile apps from their websites, but Taco Bell has done the opposite. Building on the success of its e-commerce mobile app, the chain has revamped and renamed its website, extending the ability to order and pay via personal computers and tablets as well as enhancing the overall digital customer experience.