I turned off the extra screen on my desktop computer. At first, the smaller workspace felt punishingly cramped. But after a few days of adjusting to the new set-up, an unusual serenity invaded my normally harried workday. With a single screen that couldn’t accommodate too many simultaneous stimuli, a screen just large enough for a single word processor or browser window, I found something increasingly elusive in our multi-screen world: focus. —theage.com.au.