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TIL that during World War II, publication of the Michelin Guide was suspended. In 1944, at the request of the Allied Forces, the 1939 guide to France was specially reprinted for military use; its maps were judged the best and most up-to-date available.

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a9nL TIL in some cities, officers are required to activate a head-mounted camera to document interactions with civilians
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ANpJw TIL that in 2011, Steve Whittaker, Researcher at IBM and Professor of Human Computer Interaction at UCSC, showed that Sorting Email into Folders is Mathematically Inferior to Searching and Scrolling.
e0o1b TIL that the USA produces so much cheese they have 'Cheese Caves' to store it all in
ZKvY TIL Iggy Azalea is the only artist since the Beatles whose first two Hot 100 hits have ranked first and second simultaneously.