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The original was posted on /r/todayilearned by /u/LookAtThatBacon on 2025-03-12 23:45:56+00:00.

Original Title: TIL in 2015, Thomson Reuters experienced a “reply all” email storm when an employee located in the Philippines accidentally sent an email requesting his phone to be re-activated to over 33,000 coworkers. Seven hours later, the original email resulted in nearly 23 million emails.