The annals of tech history are littered with gadgets that arrived DOA at retail, but some of the most promising devices were actually concepts that never even made it out the door. So as a tribute to all the innovative teasers and promising tech demos that just didn’t quite have what it takes to make it to store shelves, here’s a list of the coolest concept gadgets that never went on sale.
Gadgets
The 10 Coolest Concept Gadgets That Never Made It to Stores
Some big ideas just don't have what it takes to become actual devices.
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