 The second group was told, get on with your task, whatever it is, but at the same time, you've got to answer a heavy load of email and phone calls. The group that was interrupted scored 10 IQ points worse than the people who weren't, which is incredible. That's twice the effect of smoking cannabis, right? So it's really bad for them and bad for you, but you can make that case to your boss. But the truth is, you're most likely to make them do it if you form a labor union with your colleagues.