So the message is, be physically in the office because you (or I) may need high-bandwidth collaboration today? Sounds inefficient. I'm willing to entertain the

So the message is, be physically in the office because you (or I) may need high-bandwidth collaboration today? Sounds inefficient. I'm willing to entertain the idea, but I'm not even sure your "it might be needed" explanation is true for BigCo's... look at the proliferation of open office plans, for example. COLLABORATION 24/7, YAY!