Ready? You can print this out and take notes if you want.
1. User-generated content.
2. Look what user-generated content has resonated not just through the community, but also outside of it, via data.
3. Do public campaigns, e-mail blasts, etc based on this data.
4. More users come to DailyKos because they saw things they liked that were pushed by the site.
5. Those users, now here, have their minds expanded on other issues, perhaps ones that become greatly popular themselves.
6. More and Better Democrats.
7. Rinse (because trolls are also attracted), repeat.