Why Martha Saved Five Hundred Paper Receipts From Her Weekly Grocery Trips

said, her voice barely louder than the hum of the pie cooler. “He asked why I spent twelve minutes helping you scan eggs on Tuesday morning.”

“He timed it?” I asked.

“He has a log of every manual override we key in,” she said, dropping a shred of white paper onto the Formica. “Whenever a machine flags an item, we have to use our employee continue reading …