I've heard it claimed that offices with about 6-8 people are best for people being able to talk to each other in a productive way. Any larger, and most people w

I've heard it claimed that offices with about 6-8 people are best for people being able to talk to each other in a productive way. Any larger, and most people will use e-mail to avoid disturbing other people. The effect might vary depending on country, age group and so on.