1. Late one night, a delivery driver pulled up to Bank of America’s loading dock. As he unloaded boxes, he noticed an odd humming sound coming from inside the building. Curious, he peered through the open door—and saw rows upon rows of tiny, glowing lights dancing across the ceiling. Curious, he peered through the open door—and saw rows upon rows of tiny, glowing lights dancing across the ceiling. Thinking it was some kind of fancy security system, he decided to investigate further. Suddenly, a voice boomed overhead: ‘Welcome to our new energy-efficient lighting!’ Turning around, he found himself facing a friendly-looking janitor who explained, ‘Just wanted to make sure you’re not scared—we’ve been testing these for weeks.’ The delivery driver sheepishly smiled and left, vowing never again to enter a bank after dark.