Viral
Man, viral marketing is my favorite kind of marketing...EVER.
This 'Dark Knight' stuff is just awesome.
Try giving 1-800-395-9646 a call.
http://ibelieveinharveydent.warnerbros.com/
http://ibelieveinharveydenttoo.com/ (Highlight as much as you can)
http://www.whysoserious.com/ (NEW!)