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Oreo cookie turns 100 years old

(CBS News) What's black and white and 100 years old?

The Oreo cookie.

The first Oreo cookie was sold on March 6, 1912 in Hoboken, N.J. These days, Kraft sells 70 million Oreo cookies every single day, which makes the treat the world's most popular sandwich cookie.

"Sunday Morning": The beloved Oreo

To celebrate the anniversary, Mo Rocca asked expert Paul Goldberger, architecture critic for The New Yorker, what makes this three-layer treat so successful. To watch Mo Rocca's full report, check out the video in the player above.