I’ll never forget the Friday after Thanksgiving, 2011. I was vaguely aware of the pseudo-holiday known as Black Friday, but I had seldom participated. On that day, however, I had to go to a local big-box store to get diapers and baby wipes for my then four-week-old daughter, Catherine. As the sun sank in the dreary November sky over Toledo, Ohio, I noticed traffic in this small Midwestern city had slowed to a crawl more than a mile from the mall. By the time I finally made it inside the store, it was a madhouse. The customers weren’t gleeful, joyfully...