Library Rules means keeping to yourself, keeping your voice down in hushed tones, not distracting one another. If you do need to talk to someone at normal volumes, grab a room. A key to making open floor plans work is also having private rooms scattered throughout the space. A place where a few people who need to discuss something in real time can jump in, talk it up and work it out without bothering anyone on the outside.
Giancarlo Angulo's Blog