http://www.irisemedia.com/blog/2011/11/21/alternate-forms-of-advertising.html
Part 2
http://www.irisemedia.com/blog/2011/11/23/alternate-forms-of-advertising-part-2.html
Part 3
http://www.irisemedia.com/blog/2011/11/24/alternate-forms-of-advertising-part-3.html