Soda fans are shocked to discover purpose of doodads on drink lidsWEIRD BUT TRUE

A video posted on the “Today Years Old” Twitter account — a reference to the viral phrase “I was today years old when I learned … ” — shows someone pushing the button

While many people commented that they already knew what the circular nubs are for, many were shocked to learn the purpose of the rectangular ones.

Many people responded to the video — now with more than 2 million views — claiming that they were “mind-blown” by the revelation.

@HLPriest1 on Twitter“Okay, usually I know these. I knew about pushing in the bubble, but I had no clue what that rectangular extrusion was."

@Renzisthename on Twitter“I don’t know why I would ever need to backspace but nice to know it can be done.”

@_MadisonHuff on Twitter“The amount of times I used to take the lid off to re-pop the bubbles….”

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