TIL the Big Gulp was invented in 1976, when Coca-Cola suggested that 7-11 use 32 oz. cups, much larger than 20 oz. cups being used by McDonalds at the time. The first regional order of 500 Big Gulp cups sold out in a week, eventually forcing automakers to make cupholders bigger as popularity grew.

Submitted by jdward01 t3_11xiky1 on March 21, 2023 at 2:31 PM in todayilearned