 I have found, if I have my phone, even if it's across the room here, or I can't reach it, if it's even in the same room as me, I'm going to be distracted. I'll get up, and I've monitored this myself. I'll get up from my chair and grab it sometimes and look at it and lose 20, 30 minutes or an hour. I read a study that it takes 23 minutes to refocus after you get distracted. So just imagine you're working for 30 minutes or so and you hear your phone go off with a text message. You pick up your phone, you look at it, you start scrolling through Twitter or Facebook, whatever it is, and you've lost 23 minutes. And now it takes you another 23 minutes on top of that to get refocused again on whatever it is you're doing. And sure enough, you've lost an hour at that point. And so you can see how this adds up over time if you're constantly getting distracted.