With credit cards commonplace and mobile payments steadily growing in popularity, Americans just don’t spend cash the way they used to. For instance, the salad-selling chain Sweetgreen claims that cash payments accounted for 40 percent of all transactions when they opened nine years ago. Now, fewer than 10 percent of the company’s sales are completed with cash. In January Sweetgreen eliminated cash transactions at a few locations to see if the change would upset customers. Complaints ended up being scarce Continue reading →