And we share a common interest in development that advances dignity and security.

WHITEHOUSE: President Obama Addresses the British Parliament

We also share a common interest in stopping the spread of nuclear weapons.

WHITEHOUSE: President Obama Addresses the British Parliament

We share a common interest in resolving conflicts that prolong human suffering and threaten to tear whole regions asunder.

WHITEHOUSE: President Obama Addresses the British Parliament

We are all professional people, mostly in finance, and we all share a common interest in the economy and current affairs.

WSJ: European Commuters Embrace Car-Sharing

But what about those of us who want to connect with others that we may NOT know yet, but who share a common interest, passion, career or lifestyle?

FORBES: How Social Communities Are Changing Online Interaction

Although that number is nowhere near those of other social networking sites, it's a dramatic growth for the niche app, which is geared toward bringing together users who share a common interest of increasing fitness and physical activity.

CNN: Want to get fit? Pull out your phone

But a revitalized NATO will continue to hew to that original vision of its founders, allowing us to rally collective action for the defense of our people, while building upon the broader belief of Roosevelt and Churchill that all nations have both rights and responsibilities, and all nations share a common interest in an international architecture that maintains the peace.

WHITEHOUSE: President Obama Addresses the British Parliament