"From dawn to dusk, humans rely on tools to get us through the day. And from the beginning of civilization, we've used them to build and shape our world. In order to celebrate these devices, and so we might reflect upon the ways that we are the tools we use, Forbes.com decided to compile a list of the 20 most important tools of all time," says Forbes magazine.
The top five are The Knife, The Abacus, The Compass, The Pencil and The Harness. They have to be hand held tools so there's no room for the plow. The spoon and the broom didn't make the top 20. The pot came in at number 16: surely it should have been second!
