Fans of Oreos can snag a free treat Tuesday, which is National Oreo Day.
Oreo is giving away a million free Oreo chocolate candy bars. The first million to register on Oreo's website will receive a coupon for a free candy bar. The giveaway ends Monday, or after a million participants have been registered.
NBA legend Shaquille O'Neal is celebrating his birthday by promoting the Oreo giveaway.
The famous cookie was created by the National Biscuit Co. in 1912.
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