Infographic: Big bucks behind the big game – then and now.

In 1967, the Green Bay Packers met the Kansas City Chiefs for the first Super Bowl. Fifty-one million Americans tuned in, and the average cost of a 30-second commercial was $40,000. And while today viewership for the big game has doubled, the cost of an ad has skyrocketed a whopping 12,400% to more than $5 million.

Check out these stats and more in our latest infographic, which explores the changing advertising landscape over the Super Bowl’s storied 50-year history. It just might give you a new appreciation for what happens between plays on Sunday.