Total online revenue hit $6.22 billion, according to Adobe. That's up 17% from last year. The mobile sales are a convincing sign of shift in the retail landscape: integration of offline and online business. And it's help spawn a new acronym: BOPIS (buy online, pick up in-store).

https://www.forbes.com/sites/johnkoetsier/2018/11/24/record-mobile-sales-hit-2b-on-biggest-black-friday-ever-bopis-growing-fast/#3f63f87a120d