Some 80 percent of all U.S. commerce is carried on pallets. So widespread is their use that they account for, according to one estimate, more than 46 percent of total U.S. hardwood lumber production.

Takes me back to high school, working the night shift stocking the shelves at Kroger. So. Many. Pallets.

Pallets: The single most important object in the global economy. – Slate Magazine