Conglomeration

In class today, we discussed conglomerations. Keeping up with who owns what, when, seems to be a very daunting task, as it seems to change and trade so often that it hardly seems worth keeping up with. I am interested in finding out the benefits and dangers of conglomeration. That being said I enjoy having some say in what is aired on my television (should I choose to purchase cable) and I appreciate that the media market is open for free trade, completely relying on the principles of supply and demand rather than a nation of PBS and public service announcements. What a delicate balance.