How will you spend the day after Thanksgiving? Here’s some research that might influence your decision. In our 2015 survey of affluent Americans–a group that represents the top wealth holders in the United States–we asked how many times they participated in in-store Black Friday shopping in the past five years. Only 2% said they had participated each of the past five years, 14% said they had participated once or twice, and 3% said they had …