OWN: The Oprah Winfrey Network is upon us. After 3 years of development, Discovery Health will switch to all Oprah brand programming on January 1. The joyous occasion has moved Black Eyed Peas singer will.i.am to song. He composed “Own It,” a bonus track on the album The Beginning, for OWN and it is now featured in an OWN commercial. Watch the one minute advertisement, which airs in movie theaters today, at The New York Times. Anyone else going to miss Mystery Diagnosis?