Top five paid traffic methods

[darkstar_tfd]

What is your idea of top five paid traffic methods ?

I still do not have a solid list in mind, am still thinking about what to post here. So I would use some of your suggestions.

[Hafsoh]

To me top paid traffic methods are:
Solo ads
Article Marketing
Gohttp://www.getacoder.com/img/q7d.gifogle Adwords
Blogging