There are 60 seconds in a minute, and 24 hours in a day; that adds up to 86,400 seconds in a day. That means there are 31,536,000 seconds in a year and 3.1 billion seconds in a century.
According to a survey by the American Gaming Association, the United States is going to wager $23.1 billion on the Super Bowl this year.
You want to know how big a number 23.1 billion actually is? 23.1 billion seconds ago was August 1291. That month, the nation of Switzerland was founded -- it's considered to be the oldest remaining republic in the world.