Travel gadgets of the past that could have revolutionized travel, but didn't

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The Apple Watch isn't the first technological gadget that has brought with it expectations of a big impact on how we travel. There are many other gadgets that have come in and revolutionized the way we get around

Consider how this new wearable will be used for navigation, commerce and even translation, it's also worth taking a look back at the predictions that definitely did not come true.

In hindsight, the failures seem obvious. Did we really think we'd all be zipping around on Segways in 2015?

Jetpacks

What could be better than strapping on a backpack and then soaring through the air?

Incarnations of the jetpack included "rocket belts," "rocket chairs" and even a "flying pie pan." Read more...

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from MashableJessica Plautz