It's been over 12 years since I pulled this prank, so I guess it won't really be a spoiler to talk about it now... You kids may have heard about that whole "Y2K" thing, where all the date-manipulating code in the world was going to go sideways once '99 turned into '00. Planes were going to fall from the sky, ATMs were going to jackpot cash into the street, nuclear power plants were going to ...
I remember not really getting the worry and thought it was all over blown and then I was right. Admittedly out of ignorance but I did feel superior.