Also poised to gain: the network's bottom line. (As a 50% owner and its namesake, there are significant incentives for the self-made billionaire as well.) Despite its reach--OWN is a re-branding of an already established cable service, Discovery Health Channel, so it counts some 75 million in its current subscriber base--it earns only 13 cents per subscriber in its current non-Winfrey form, according to industry research firm SNL Kagan.

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