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TIL that in a 2017 criminal case, the US government put the secrecy of its hacking tools above all else. Prosecutors chose to drop all charges in a case of child exploitation on the dark web rather than reveal the technological means they used to locate the anonymized Tor user.

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via reddit.com

D5Aj TIL that it took George Eastman, the inventor of Kodak film, four years to come up with a name for his product. His mother helped him, and had a few rules for what he wanted: something short, something impossible to mispronounce, something unique, and something that included his favorite letter, K.
8akM8 TIL that in Lawrence of Arabia, the take where Sharif approaches on his camel was shot with a 482mm telephoto lens with spherical optics created by Panavision to meet David Lean’s vision. The lens has never been used since, but creators of Breaking Bad considered using it for the "Bagman" episode.
E16op TIL that Dionne Quan, best known as the voice of Trixie Tang from Fairly Odd Parents and Kimi from Rugrats, is legally blind and all her acting scripts are written in Braille.
B0kW TIL the “clicking” and “tsking” in African tribe languages was used as hunting tools thousands of years ago, as the clicking was quiet enough to be communicated without alerting the prey.
nxg7 TIL that Father’s Day (tomorrow) is the busiest day for collect calls in the US.