Rate of U.S. Economic Decline

Investment dollars spent on social media businesses ÷ Investment dollars spent on alternative energy = Rate of U.S. Economic Decline

The higher this number, the more rapid the U.S. decline. Alternative energy is more important than social media (I would argue)

Rate of U.S. Decline

Number of smart phones in third world countries ÷ Number of smart phones in U.S. = Rate of U.S. Decline

Smart phone usage is a rough measure of whether other societies are outpacing us