The Enduring Mystery of the Oreo Cookie Design

(via mental_floss)  When the National Biscuit Company introduced the Oreo cookie in March of 1912, there was no mistaking its origins. It was a blatant knock-off of Sunshine Biscuits’s Hydrox, a double-wafer chocolate and cream sandwich snack that capitalized on the popularity of a similar home-baked treat that had been circulating since the mid-1800s.