To make good on that promise, Winfrey and Discovery partners will need to ensure those viewers continue to tune in.

FORBES: Oprah Winfrey Sees A "Rocky" Road Ahead For OWN

Having a diversity of API partners also allows Foursquare to fine-tune its product even in the places where it needs it most.

FORBES: Why Foursquare's Growth Story Is Better Than You Think

Now, Winfrey and her partners at Discovery will need to ensure these viewers continue to tune in.

FORBES: Oprah And Discovery Backers Given Reason To Crow

In Japan, DoCoMo is the market leader and handset-makers and partners must dance to its tune.

ECONOMIST: Japan��s biggest mobile operator heads abroad once more