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TIL NYC subway stations have a "zebra board" on the platform that the train conductor needs to visually confirm and point at before opening doors - this ensures the train is stopped at the right place. The protocol originated in Japan, where the additional gesture helps to reduce cognitive errors.

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p8dYA TIL an undercover investigation found that Apple charges $1200 for a computer repair that a local repair store was able to fix in 1 minute and charged $0 for.
ALww TIL In the first Deus Ex game the Twin Towers of the World Trade Center are absent due to memory limitations. The explanation is that they were destroyed in a terrorist attack. A year after the game’s initial release, the real Twin Towers were destroyed in the 9/11 terrorist attacks.
yVGJM TIL that Burgess Meredith’s last role was in Grumpier Old Men (1995), he developed Alzheimer’s but made it through the film with the help of coaching. He would die two years later in 1997.
Ardw TIL Genghis Khan would marry off a daughter to the king of an allied nation, dismissing his other wives. Then he would assign his new son-in-law to military duty in the Mongol wars, while the daughter took over the rule. Most sons-in-law died in combat, giving him shield around the Mongol lands
0xxj TIL Prior to Game of Thrones, George R.R. Martin wrote incredibly freaky Science Fiction, including the very unsettling ‘Sandkings,’ first published in OMNI then later made into an Outer Limits episode.