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TIL of HDCP an attempt to encrypt HDMI cables to prevent privacy

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NKXe TIL With over 4,700 species of frogs, only one (the Pacific Tree Frog) goes “RIBBIT”. Because Hollywood sound engineers recorded clips of local frogs for various films over the years, we associate the “RIBBIT” sound with frogs to this day.
e0EDb TIL That one of the only top government officials who opposed Japanese internment during World War II was...J. Edgar Hoover.
6EKlw TIL that duplo and lego are compatible
ADYZ4 TIL Basil Zaharoff sold the Greek government a submarine. He then told the Turks that Greece had a submarine, so they bought two. Then he told the Russians the Turks had two submarines, so they bought two as well. None of the submarines worked.
wL8gW TIL that Erik The Red who discovered Greenland, called it Greenland in spite of its ice cover, because people would be attracted to go there if it had a favorable name, and used it as a trick to lure settlers to Greenland