Zappos is famous for its attentive customer service, but how would that translate to real life? Customers will have the opportunity to find out from this weekend until December 31, as Zappos opens a 20,000 square foot holiday pop-up store in downtown Las Vegas. Since it’s Vegas, the store will be open 24/7 the whole time (except for Thanksgiving and Christmas) and offer an integrated retail and online shopping experience, especially to customers who download the app before they shop. [More]