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Reid Hoffman, born August 5, 1967, is an American entrepreneur, venture capitalist and author. Hoffman is best known as the co-founder of LinkedIn, a social network used primarily for business connections and job searching. Hoffman was born in Stanford, California, the son of Deanna Ruth Rutter and William Parker Hoffman, Jr. and grew up in Berkeley, California. He attended high school at...
- The navel or umbilicus.
- In Greek archaeology: A central boss, as on a shield, a bowl, etc.
- A sacred stone in the temple of Apollo at Delphi, believed by the Greeks to mark the 'navel' or exact center-point of the earth.