We need to watch new retailers powered by Shopify: Former Walmart executive

CNBC's "Squawk Alley" team discusses the shift to digital on Black Friday with e-commerce trends with former Walmart executive and founder of Bonobos, Andy Dunn. One of the untold stories is the small merchants that are coming up and the company that's powering them, which is Shopify, says Dunn. It's a little like 'The Empire Strikes Back.' If you think about it, all these small merchants want to create momentum in the age of Amazon. And what I'm seeing is up-and-comers surging, he adds.