Chex Party Mix debuts:

1953
The now-famous mixture of chex, pretzels, Worcestershire sauce, garlic powder, peanuts, and butter first appeared on the back of Ralston Purina Chex cereal in 1953.
Source: New York Times, 12/10/2009

 
   
  Record for most people watching a television commercial:

116.2 million
On Feb. 7, 2010, a Doritos ad that which aired during the fourth quarter of the 2010 Super Bowl was seen by 116,2 million people, making it the most-watched television commercial of all time.
Source: Milwaukee Journal-Sentinel, 2/11/2010

 
   
  Total daily calories from snacks consumed by the average American kid in 2006:

586
According to a University of North Carolina study of the eating habits of 31,000 children (ages 2 to 18) from 1977 to 2006, the average American kid consumed 418 calories from snacks in 1977.
Source: USA Today, 3/2/2010

 
   
  Sales of packaged snack foods in the U.S. in 2008:

$68.1 billion
In 2004, Americans consumed $60 billion in packaged snack foods, according to consumer researcher company Packaged Facts.
Source: New York Times, 1/19/2010