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141

TIL that by solving Captchas we are helping to train machine learning models.

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b6B8Q TIL: In the 1950s, the Army to built a bunker close to Washington DC so that Congress could go there if there was a nuclear attack. Engineers built a facility 700 ft below a golf course - 2 stories and over 100,000 sq ft - kept secret until 1992, when the Washington Post revealed its existence.
OGZa7 Today I learned Samuel Colt threw laughing gas parties to invest in making his firearms. He traveled America calling himself a doctor performing demonstrations with nitrous oxide.
BZZy TIL That the longer you wait to see a movie in theaters the more money the theater makes from your ticket.
0Gn5 TIL that Jet Li was presumed dead during the Indian Ocean Tsunami disaster.
e7o4 TIL that in New York City, for the last half century, the price of a slice of pizza and that of a subway ride have been nearly exactly the same. And a rise in one predicts the other.