> We can be productive on our phones while we wait. Theoretically, sure. In practice, it's going to be pretty rare that anyone accomplishes anything of note du

> We can be productive on our phones while we wait. Theoretically, sure. In practice, it's going to be pretty rare that anyone accomplishes anything of note during those couple of minutes. Especially since you can't just zone out while the cashier is doing his thing, if you're not super rude, you'll probably greet them, and you've gotta listen if they ask you a question, and get ready to pay once they're done.