There is correction fluid on screen.
The screen stays black when you check the time.
They were making the PC screens unusable.
They are the only ones who erase their notebook when the teacher erases the board.
When he was told to "go big or go home," he only had one option. (I've posted this joke here before, but I believe I've been the first, so if you recognize it as a repost it's because I wanted to tell it again!)
