Two Approaches to Employee Productivity
businomics.typepad.com
businomics.typepad.com
That's usually why companies jam employees together. The space starts at 8x8 for each employee and shrinks over the years because the company can afford the incremental cost of adding headcount but can't afford the big cost of moving to a new space.
Edit: The company owned the whole building so shrinking the space we used didn't reduce our rent.
it is still a good point to optimize where it matters.