You’re standing in a hardware store, holding a tile sample. The salesperson says it’s 4 inches. You nod — but...

You are standing in a store holding a tablet. The box says “7-inch screen.” You hold it up and still...

You’re at the hardware store trying to figure out if a shelf bracket will fit. Or maybe you ordered something...

You ordered something online. The listing said “5 inches.” You thought you knew what that meant — and then the...