Along similar lines: Why are there so many mattress ads on the radio? http://www.slate.com/articles/news_and_politics/explainer/2012/03/why_are_there_so_many_m

Along similar lines: Why are there so many mattress ads on the radio? http://www.slate.com/articles/news_and_politics/explainer/2012/03/why_are_there_so_many_mattress_ads_on_the_radio_.html http://www.slate.com/articles/news_and_politics/explainer/20...