How many different traffic generation tricks have you tried?

If youre anything like me you have tried several. How many do you actively use today?
1,2,or more?

When I started marketing online, I used only one effectively and that one was
Article marketing.

Today, I am using only two free methods.
Social Media and Forums.
Which one is better?
Social media, by a long shot.

Recently, I learn a new traffic...