Saying "wake up" is too easy.
With a bit of guts you can say, stop watching TV and let it program yourself.
That message would have much more effect as it actually leads to conversation that have the possibility to change people's behavior.
And that ignores the issue that some of the ways in which big businesses have power, a large portion of the population doesn't want them to have power, on principle, and not just those individual business.
On a purely intellectual level a large portion of the population might have that desire.
At the same time the same people pay for cable TV to let those business program memes into their minds.
Anybody who's watching political ads on TV is doing their part in actively enabling political corruption.
If nobody watches TV anymore you can't bribe politicians with paying their TV Ads. Anytime a person is watching such an Ad they should think to themselves:
"I'm fulfilling my role in the system of political corruption"
Support alternative ways of gathering information. That can mean to donate to your favorite bloggers or it can mean to organize online communities to provide spaces to let people reflect on politics.
Learn to have political conservations in real life with people who don't share your viewpoint that that won't produce bad feelings.
Just a tip: Scaremongering people with stories about the evil FED often has other effects. Telling people to wake up usually doesn't work.
The medium is the message. Having a productive exchange about a political topic is more important than convincing him of your viewpoints.
If you spread the idea that one can talk to friends who disagree with you at the dinner table about politics without hurting people who archieve much more than by winning the debate on any particular political issue.