I had a professor that told us about when he found a bug in some of the flight code while he was interning at NASA. They decided it was too late to fix the bug,

I had a professor that told us about when he found a bug in some of the flight code while he was interning at NASA. They decided it was too late to fix the bug, so they also put a sticky note on the control panel with instructions. Now I'm wonder how many sticky notes were on that control panel.