Inventors from all over the world have gained fortunes for the inventions that they make. There is a population of inventors that have earned their money from gadgets that make you think, “Why didn’t I think of that?” These are 10 cool and simple gadgets that have made people millionaires.
Post-It Notes are everyone’s best friend, from busy moms, business professionals, to teachers, These little sheets of paper come in a variety of fun colors, and with their sticky backing, Post-It Notes have become an important staple of our lives. Post-It Notes help us keep our lives in order with their convenience to jot down little notes or our thoughts. Due to their pleasing aesthetic and low cost, these sheets have made their inventor incredibly wealthy.