Word difficult to define the expiration of the products of the capitalist economy, based on the philosophy of buy, shoot, and buy. In the economy of the superconsumo, especially before the crisis, most of the products are designed to last for a year or two, or those who are and since then escacharrar, become useless and obsolete so that the consumer bought another new: why the good capitalist Designer will apply to all products an Achilles heel that causes this situation within certain time whether these shoes, medicines, cars, tables or static bikes. The word derives from the word Latin obsolesco, obsolescere, fall into disuse or neglect.