Garrison Keillor's "The Writer's Almanac" reminds us today to wish YouTube a happy third birthday. The domain was registered for the first time February 15, 2005. It made its public debut at the end of the year and by mid-2006 was one of the fastest growing sites online. And, given what it helped do to ruin Republican Senator George Allen's political career, it also changed the course of the 2008 election.

A large chunk of this presidential election is shaping up to be about tone: big change vs. little change, hope vs. experience. To see how these ideas are manifesting themselves among voters, one needs to look no further than Zazzle.com, the online site where people can design their own bumper stickers, buttons, and t-shirts.

The campaign that begins tomorrow, with expensive states like Florida and South Carolina coming before the “Tsunami Tuesday” of February 5th, will require millions in staff, direct mail, and television advertising. In the past, it's been hard for candidates to take in money quickly enough to keep going after they'd spent everything. Will online donations change things?

I’m in Chicago for the second annual YearlyKos convention and since yesterday afternoon I’ve keep coming back to the same conclusion: I think, nearly three-and-a-half years after Dean for America collapsed in the wake of the Iowa caucus loss, that Howard Dean might have won the campaign.