[tripzilch]

In a nutshell: Corruption and fraud in the banking system causing global economy collapse, the vast disparity in wealth, rampant corruption in politics and big corporations buying politicians with money, not democratic votes.

For concrete ideas, Matt Taibbi as usual really knows what he's talking about:

http://www.rollingstone.com/politics/news/my-advice-to-the-o...

However, it's important to remember that coming up with good solutions as well as figuring out what it really is the people want is really the job of the politicians. And just because they're failing miserably at that job, doesn't mean the general population suddenly has to know all the answers. I think the general message of discontent is very clear.