Over time, the needs of the people you serve become your stake in the challenges of our time.

WHITEHOUSE: President Obama at Points of Light Forum in Texas

If you think video conferencing is reserved for stale meetings that serve little purpose aside from burning up your time, Airhockey Over a Distance aims to ice that perspective.

ENGADGET: Airhockey Over a Distance

If you are clear about what the point of it all is, then you will become obsessed about spending your time either in ways that directly serve that point, or that recharge your batteries.

FORBES: 5 Ways to Make Your Time More Valuable

Each of you has made the decision to serve your country, and you are dong so at a critical time.

WHITEHOUSE: Our Top Stories

And somehow despite everything that's going on in your lives, military families still find the time to serve others -- coaching Little League, running the PTA, making Christmas special for kids with Toys for Tots, volunteering at churches and hospitals, mentoring young people, being role models in your own right.

WHITEHOUSE: The First Lady Announces New Funding for Military Families

Instead, if you whiff, it will serve as the impetus to spend extra time in the batting cage, practice your swing, and attend to the need to keep your eye on the ball.

FORBES: 10 Responses To Foul-ups That Foster Success

Sinecures only serve one purpose, occupying the precious time you have on earth, time you could spend testing your limits and expanding your view of the world.

FORBES: What Are The Worst Reasons For Taking A Job?