Advertising: Ways To Promote Online?

Please post ways to advertise online. Do not list the following:
1. SEO, 2.Directory Submission, 2.Article Submission, 3.Forum Posting, 4. Social Bookmarking, 5.Press Release, 6.MySpace, 7.Email Marketing and 8. Ezines.

You can use youtube as a viable way to advertise online. Online streaming videos are a powerful way to get traffic and promote [...]