In my experience, it was never 15 minutes - more like 5. Also, in terms of total time it never seemed all that different from the people continually visiting th

In my experience, it was never 15 minutes - more like 5. Also, in terms of total time it never seemed all that different from the people continually visiting the water cooler or getting hot drinks. It just seems more visible with the smokers because they actually leave the building.