The light bulb was a huge advancement in the technological world. It was a very advanced for its time, helping move the world forward in its knowledge of electricity and power. The light bulb was the reason that the power plants were created, helping people create other electronic devices. Now we use the electricity from the power plants for almost everything and there is a light on almost everywhere you look.
"To invent, you need a good imagination and a pile of junk." -Thomas Edison