The evidence for the mattress industry being mostly a marketing scam is very old. There are a lot of brands but a very small number of manufacturers of the par

The evidence for the mattress industry being mostly a marketing scam is very old. There are a lot of brands but a very small number of manufacturers of the parts - there was only one for springs when this article was written seventeen years ago. http://www.slate.com/articles/life/shopping/2000/11/going_to_the_mattresses.html http://www.slate.com/articles/life/shopping/2000/11/going_to...