In the continuing discussion of how to use the Internet as an organizing tool, many readers have made the point that the goal is electoral success (ie, any Democrat winning). For electoral success it's necessary to, well, actually talk to people face to face, not just on the net. And it's also necessary to talk to people from all walks of life about why they should be registered to vote, why they should vote, and who they should vote for.
In a word: Organize! This goes especially for all the political newbies drawn into the Democratic primary process through the Internet and MeetUp.
Alice Marie Marshall writes about the nuts and bolts of organizing a precinct (I guess the smallest unit of granularity in our political system). It's definitely worth a read.