His advice about checking email (or any distraction, <i>ahem</i>, Hacker News, Reddit, Facebook) in bursts is spot on. You'll see your productivity go up and your focus will improve.<p>As an entrepreneur, my ability to hire and motivate great staff is a big concern. Branson is right about it being essential to a successful business. I'd like to see specific, practical advice on selecting and retaining stellar employees.