How to Give a Meaningful "Thank You"; Harvard Business Review, 2/20/13

Mark Goulston, Harvard Business Review; How to Give a Meaningful "Thank You" : "Whether it's your executive assistant, the workhorse on your team, or — they exist! — a boss who always goes the extra mile for you, the hardest working people in your life almost certainly don't hear "thank you" enough. Or when they do, it's a too-brief "Tks!" via email. So take action now. Give that person what I call a Power Thank You. This has three parts... If the person you're thanking looks shocked or even a little misty-eyed, don't be surprised. It just means that your gratitude has been a tad overdue."