Yeah, it really was the best of both worlds. People tended to keep their doors open to signal it was ok to interrupt them, but if they needed to get work done,

Yeah, it really was the best of both worlds. People tended to keep their doors open to signal it was ok to interrupt them, but if they needed to get work done, they just close the doors. People also spent a lot of time in the center areas, when it made sense to do so, eg when they were doing something that could be done in a more relaxed environment, or to brainstorm or chat with others.