[freehunter]

>They make it impossible to have impromptu discussions that have any sensitive aspect to them.

The only place I ever worked with an open floor plan, I worked as a security analyst/engineer. Behind me were contracted programmers from various outsourcing firms who could see my screens and hear my conversations when discussing sensitive security issues.

So much time was wasted trying to find an empty conference room for an impromptu discussion about an active security incident.