2. "[The Dean campaign's] emails spawned much more organizing and raised much more money than the Dean blog did... It's just a numbers thing: not all 600,000 Dean email subscribers visited the blog every day. But they did check their email everyday." Zack Exley, 12/21/04
3.
4. Most online marketing is viral, unpredictable, and hit-or-miss. Good e-mail marketing is predictable, with a steady revenue stream. (But you have to be viral to get the list.)
5.
6. Conservative audience Self-identifies with your cause; supports your issue Member of your Organization Donor / Super Activist Lower the barriers to entry Get Their Email Here!
7. Tap into a responsive chord. Start a petition on a big issue.
12. All of these successful examples create low barriers to entry, create the sense that the activist is joining something big and special, and offer a clear value proposition for signing up.