No one can pay attention to everything they encounter. We simply do not have enough time or mental capacity for it. Most of us, though, do make an effort to acknowledge our fellow humans. Wealth, it seems, might change that. There’s a growing body of research showing how having money changes the way people see—or are oblivious to—others and their problems. The latest is a paper published in the journal Psychological Science in which psychologists at New York University show that wealthy people unconsciously pay less attention to passersby on the street.