What is the definition of Uploadfiles_1620?

"Uploading files, 1620 style, is like sending a toddler's entire art collection straight to the digital vault of space. You'd think it'd be a cosmic party, but instead, we've got space debris, forgotten photos of your cat, and maybe a few digital pranks gone wrong. It's the ultimate 'What's next?' scenario, where our ancestors thought they were part of the digital age, but somehow ended up with a 16th-century music file stuck in their cloud storage."

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And here's an unsettling example sentence: "The hacker, after successfully uploading files from a long-abandoned alien base on Mars, decided to send a digital version of his cat's every meow to the nearest space station. The crew reported seeing a ghostly, digitized purr-fecting the air with its eerie, digital moans."