The 20 most important tools ever?

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, Forbes.com decided to compile a list of the 20 most important tools of all time. Not everybody will agree with all the tools on the list, and there are few that could legitimately have scored a spot, but it’s an interesting list to contemplate. Perhaps before clicking through to this excellent article, reflect for a moment on what your top ten mike look like. Forbes’ list is comprised of the tools that have most impacted human civilization and helped move the course of history. Recommended reading.