Again, we have two detection options, "Automatic" which is what the demo is using in addition to "Let Me Decide" where you can specify the HTML elements that yo

Again, we have two detection options, "Automatic" which is what the demo is using in addition to "Let Me Decide" where you can specify the HTML elements that you'd like the ads to appear in by simply adding the "ESAemptyspace" class attribute to the elements you'd like (http://www.emptyspaceads.com/publisher/customization_options http://www.emptyspaceads.com/publisher/customization_options). For the purpose of the demo, we use the Automatic detection method... but if you signed up as a publisher with us, you could get the fine grain control that you desire.