GP is talking specifically about the recent ruling that corporations have e.g. freedom of speech, and can therefore send lots of money to fund political campaigns. It basically gives corporations a huge amount of political power.
As far as I'm aware, no such ruling ever occurred. Corporations are currently barred from funding federal political campaigns. They also have no free speech rights that your (non-person) printing press or cell phone lack.
(Before you cite Citizens United vs FEC, please go read what it actually says.
In short, the decision is about the free speech rights of the human owners of a corporation. http://www.law.cornell.edu/supct/html/08-205.ZO.html )
