People are often fascinated to find out that some of the most important inventions in the world are also the ones we take the most for granted. For instance, hardly anyone could ever guess that just one company is single-handedly responsible for most zips produced in the world. Much along the same lines, some inventions we live with every day were originally intended to have really important meanings. Along the way, we just got used to having them and take them more or less for granted. Here are some items with uses you’ve never thought about.