4: Number of ingredients in Fluff: corn syrup, sugar syrup, vanilla flavor, and egg white

1920: Year H. Allen Durkee and Fred L. Mower bought the Fluff formula from Archibald Query, who had developed it in his Sommerville, Mass., kitchen in 1917 and was selling it door to door

$500: Amount paid for Query’s formula

$1: Price of a one-gallon can of fluff in 1920

Source: marshmallowfluff.com