Think about any grocery store visit you've had: It can be fun to look at all the food, navigate and browse the aisles, pick various foods and throw them into your cart. It's an adventure! But the food-shopping experience almost always turns sour when you get to the checkout part. Even when there are no lines, the checkout process is slow — you have to look at all the items you selected again as they get scanned — and then you have to pay for everything, sign a receipt, and wait for all of your food to be placed into bags. It takes time, a lot of waiting, and it's generally boring. That's why Amazon Go is a sound concept. Read more: https://www.weforum.org/agenda/2016/12/welcome-to-the-shop-where-people-can-just-grab-stuff-and-walk-out-without-getting-arrested
