E-commerce startups have been working at the online-offline game for a while now, in the form of pop-up shops and brick-and-mortar investments like Warby Parker's New York <a href="https://techcrunch.
Consumers who use their mobile apps to check prices on items sold in brick-and-mortar retail stores, a practice often dubbed "showrooming," is an increasingly common trend. But according to <a target=