Zero Day is a term used to describe the first day of an event or period, often used to indicate the beginning of a new era, a fresh start, or a moment of utter despair.
"I just got a zero-day job, which means I have to work tomorrow." - A confused new employee
"The new zero-day update broke my favorite app, now I have to wait for 3 days for a fix." - A frustrated tech enthusiast
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