Level Of Product

http://www.learnmarketing.net/threelevelsofaproduct.htm

There are three levels of product the core product, actual product and augmented product. This article explains the level of product by example of camera means why people buy camera? what is core benefit of camera i think by taking picture people can save there pleasant moment. So for this actual product is camera and augmented  product is that not only taking picture now through camera we can make videos.