My co-workers (who worked with the company longer than I have) loves to remove their laptop's power cord when they need to move around the office.
I frown on this practice since they usually don't remove the power brick from the power socket. I've told them numerous times that its dangerous to leave the brick unattached to the laptop and that they should remove it from the socket if they need to move around.
I think I need a better argument on why they should stop this practice. Does anyone has any experience to share to discourage this behavior? Is there a research or article somewhere that shows how much power is wasted?
Edit: If you think I'm wrong and leaving the power brick connected is not dangerous, go ahead and prove me wrong. :)