There were so many mornings when I’d walk into the office and find about 100 new emails waiting for me. My first thought was always, “Don’t people sleep?” My second thought came quickly after: “How am I ever going to get through these emails, and still get everything else done today?” At first, I thought I could outsmart the problem. I developed what I call “email denial”: I told myself that if something was really urgent, surely someone would call me, ping me on IM, or even