When the cat's away, the mice will play.
The cat being Steve Jobs (absent from Apple in 1996) and the mice a team of Newton developers who found themselves alone with 4,000 modems and a video camera. As you've undoubtedly surmised, they created an impressive domino-type arrangement of the modems in the halls of Apple.
The video is longer than it needs to be, so skip ahead a bit. While you're at it, dig the 90's fashion statements.