marketing on a shoestring

Can any business market with a budget of $ 15 per month? How? What?
Is it possible in a very small market 15 million per month. I say impossible to please prove me wrong.
you can advertise on Facebook.com, Myspace.com, twitter.com, free. Based on what they sell, buy banner ads for less than $ 15.00 per month. MsCynt
Panel Discussion on “Marketing on a Shoestring”