Your filter bubble is your own personal, unique universe of information that you live in online. What's in your filter bubble depends on who you are, and it depends on what you do. But you don't decide what gets in - and more importantly, you don't see what gets edited out.

In the last year, grassroots contributors like us gave more than $300 million to the Kerry campaign and the DNC, and proved that the Party doesn't need corporate cash to be competitive. Now it's our Party: we bought it, we own it, and we're going to take it back.

More voices means less trust in any given voice.

We've always believed that popular culture and populist politics go hand in hand. It's an honor to be working with so many respected and influential artists, and we're indebted to them for having the courage to speak out at a time when our country so desperately needs change. For our 2.5 million members and far beyond, the Vote for Change tour will have a seismic cultural impact.

In a broadcast society, there were these gatekeepers, the editors, and they controlled the flows of information. Along came the Internet and it swept them out of the way, and it allowed all of us to connect together, and it was awesome. But that's not actually what's happening right now.

To be a good citizen, it's important to be able to put yourself in other people's shoes and see the big picture. If everything you see is rooted in your own identity, that becomes difficult or impossible.

Eric Schmidt likes to point out that if you recorded all human communication from the dawn of time to 2003, it takes up about five billion gigabytes of storage space. Now were creating that much data every two days