It's hard to imagine a time when fast food restaurants didn't have drive-thru windows, but before this burger joint invented ...

Nowadays, picking up fast food from a drive-through feels like second nature—you roll up, order through the intercom, and grab your food without so much as unbuckling your seatbelt. It’s the ultimate ...

Add Yahoo as a preferred source to see more of our stories on Google. In-N-Out founder Harry Snyder invented the two-way speaker system from his own garage in 1948.Eric Glenn/Shutterstock; Kit ...