While necessity may be the mother of invention, don't underestimate people's desire for products that are maintenance-free.
Disposable products fill that niche in modern society.
In the interest of saving time and money, inventors have given us many disposable products, including ball point pens , razors, diapers, cameras and cigarette lighters. By the end of 2001, you will be able to add cell phones to the plethora of products that can be used up and thrown away. At least three companies are developing independent versions of a disposable cell phone. The phones are designed to target the 60 percent of Americans who still don't own a mobile phone. In this edition of How Stuff WILL Work , we will take a look at all three disposable cell-phone designs and detail their differences and similarities.