What does the fact that private companies own most media in the u.s. indicate to you?

That fact indicates that every government decisions that made is most likely would benefit these companies.
In United States, 6 companies controlled 90% of the Media. 
This will give them a lot of power to control informations that could influenced the outcome of the election. So they can pretty much appoint whichever candidates that suited their agenda.

Repartido en un área de 436,400 km2, el Negro se encuentra en Eurasia, rodeado por Europa, el Cáucaso y Anatolia. ... El Mar Negro se conecta con el Mar Mediterráneo a través del Estrecho del Bósforo, y luego a través del Mar de Mármara y el Estrecho de los Dardanelos.