Stopping Email Overload

In the HBR: On stopping eMail overload.   With more clients and connections the overload is becoming both broader and shallower.  " ... Even if you wanted to use it less, he says, it's nearly impossible to get people by phone or in person these days. Both Pozen and Allen believe that sweeping rules like the ones Atos and VW are trying are not necessary. You can regain control over your email, and reduce its insidious effects on your productivity, by looking at the root causes of the problem and then following a few straightforward rules.... "