Sure, some said we were foolish to try to pinpoint the greatest innovation of all time (can you really compare the wheel to a computer?), but we gave it a shot anyway. After four rounds of elimination using your votes, we've arrived at the crowning moment. The all-time greatest innovation is: The wheel.

The winner: Wheel

Wrap-up: The wheel flattened the radio en route to becoming the all-time greatest innovation. The wheel's tournament average for margin of victory was a whopping 68.8%. Congratulations, wheel. Thanks for participating.

Tournament breakdown

Rd. 1 Breakdown Wheel def. clock Telephone def. air conditioner Airplane def. World Wide Web Light bulb def. talking motion picture Rd. 2 Breakdown Wheel def. telephone Light bulb def. airplane Rd. 3 Breakdown Wheel def. light bulb

Rd. 1 Breakdown Automobile def. artificial heart Printing press def. computer Camera def. cell phone Radio def. iPod Rd. 2 Breakdown Printing press def. automobile Radio def. camera Rd. 3 Breakdown Printing press def. radio

Content produced by Chris Rattey.