"No one can say for sure exactly when the first properly compacted, bun encased, hamburger appeared." - MACKENZIE MARTIN, The White Castle System of Eating Houses, 99% Invisible #99PercentInvisible #99pi #NationalBurgerDay #MackenzieMartin

"She grew up eating OREOS®, not Hydrox." - MACKENZIE MARTIN, Hydrox, Oreo, And The Fight For Sandwich Cookie Supremacy, The Sporkful #NationalOreoDay #MackenzieMartin

"What do YOU know about Hydrox cookies?" - MACKENZIE MARTIN, Hydrox, Oreo, And The Fight For Sandwich Cookie Supremacy, The Sporkful #NationalCookieDay #MackenzieMartin

"Hydrox are barely sold anywhere these days!" - MACKENZIE MARTIN, Hydrox, Oreo, And The Fight For Sandwich Cookie Supremacy, The Sporkful #MackenzieMartin

"And they have had White Castle for Valentine's Day every year since!" - MACKENZIE MARTIN, The White Castle System of Eating Houses, 99% Invisible #99PercentInvisible #99pi #ValentinesDay #MackenzieMartin