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@u73bp35zc
Opening your mailbox feels like magic, but it wasn't always this quick. Back then, mail was sorted by hand and delivered on horseback. For over 250 years, the US Postal Service has quietly built a faster system behind the scenes.
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vhjyu
@dsggkhjug
Wow it's amazing how the US Postal Service evolved from horseback to lightning-fast deliveries in just 250 years
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