Got a great invention the world needs to get their hands on? Engadget is offering a hardware talent show of sorts called Insert Coin to help choose tech’s next great gadget. The winner will be chosen by a panel of judges at Expand in San Francisco March 17 and will walk with a $20,000 cash prize and a guaranteed Engadget review. Submissions will be accepted up until Feb. 8 so get busy.
, Engadget’s Talent Show for Hardware Makers,