[alibrarydweller]

I once worked as a lowly front line help desk tech I and snuck around getting the MAC addresses of all my coworkers so I could specifically target them with this without affecting the broader office.

Someone logged it as a ticket and people got progressively more tense as it got escalated from desktop toward infosec. I finally came clean before it got too out of hand. The head network admin shook my hand, it was a good day.