I also want to know that they are obtainable during work hours, attentive in meetings and are available for brief interaction out-of-hours if needed.
I'm less keen to pay people to keep the seats warm, and moving the mouse just enough to stop the screensaver kicking-in.
I'm a non-smoker, but I do not mind people having smoking breaks... but some people get really upset by this. If we are doing physical or menial jobs, then productivity is reduced.. but for intellectual jobs, we should simply measure output.
(Oh, and i guess /YOU/ are probably being paid by someone to read this comment.. instead of working)
Worth reading: http://mentalfloss.com/article/74710/how-much-time-do-we-act...