Answer:
The light bulb
Step-by-step explanation:
The light bulb made in the year 1879 was one of the most revolutionary inventions to this date. The reason as to why this is, Is simple everywhere you go you see a light bulb in your phone screen in your home in the flash light you use. These are everywhere, back before they where invented people where left in the dark and muggings and murder rates where high since no one was around to see or could see. This is also important in todays society as a light bulb although simple and very basic it goes far beyond what the ordinary person thinks of it has helped solved murders with the use of black light it has helped stop crime by lighting everything up making people weary of what they decide to do. This simple little thing does much more than what catches the eye.