An idea might sound really simple that it makes a person believe it is not worth their energy to create, but that would be false. So many simple ideas turn out to be live savers for so many people. We have compiled a list of 45 ideas that are such simple solutions but also totally ingenious. They range from book vending machines, actual life-saving nail polish, to functional phone chargers and coffee lids. Come take a look at these 45 brilliant ideas and pick which one would be the most life changing in your own life!