Thirty-four states allow slot machines. And like Nevada, many of those states allow the machines beyond casinos—in all sorts of nooks and crannies of everyday life. And they’re cash cows anywhere we put them. The machines make more than $30 billion each year in the United States alone, or about $100 per American per year. It’s more than we spend on movies, books, and music combined. And the figure rises about 10 percent every year.
