The Truth About 7-Eleven's Famous Slurpee

We all need something to keep us cool and awake on those long road trips, and a lot of people prefer the 7-Eleven Slurpee. The frozen beverage has been keeping Americans going since the 1960s, and the Slurpee you drink today isn't all that different from one you'd get back then. Sure, there are different flavors today, but the machines operate exactly the same way. Like so many innovations, the machine came about by a happy accident, when a restaurant owner realized how much people loved partially-frozen soda. Let's take a look at the untold truth of 7-Eleven's famous Slurpee.