I've never seen someone with a backpack, but it's not uncommon for people to bri...

mikeash on Dec 5, 2016 | parent | context | favorite | on: Amazon Go

I've never seen someone with a backpack, but it's not uncommon for people to bring their own reusable bags and have the bagger use them. I think a backpack would work the same way. Hand it over, then get it back full of food.