Sometimes, a new invention might not be something that is entirely new. It can be an extension or a modification from existing product. The most important element in coming out with a new product from an existing product is to be sensitive to the needs of people.
Consider Maxiaids.com, a company that supplies talking watches. They have the largest selection of talking watches at low prices that caters for men, women and children. They even feature a talking watch that speaks in Spanish.
It is estimated there are at least 40 million blind people located around the world. The market for the blind is huge.
