BUM marketing

Hi there guys! i've found something really interesting and i think,that it's very very useful!!!
It's about Bum marketing or article marketing.
So what the heck is Bum marketing? it's about write some articles promoting other's products.
Check the site and discover more about this technique...
..best of all is that it's FREE!
;)

http://www.bummarketingmethod.com/Article_Marketing.html